Correlación entre biomarcadores séricos y nivel de fragilidad física en adultos mayores: un estudio transversal en un hospital de Lima, Perú.

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Title: Correlación entre biomarcadores séricos y nivel de fragilidad física en adultos mayores: un estudio transversal en un hospital de Lima, Perú.
Alternate Title: Correlation between serum biomarkers and degree of physical frailty in older adults: a cross-sectional study in a hospital in Lima, Peru.
Authors: Falvy-Bockos, Ian1,2 ifalvy@yahoo.com, Ñaña-Córdova, Álvaro M.3, Cahuapaza-Gutiérrez, Nelson Luis3, Barreto-Soto, Mayra E.3, Peralta-Vargas, Carmen Eliana1, Molina-Costa, Camila1, Gómez de la Torre, Juan Carlos4,5, Higuchi, Yoshie4, De La Cruz, Nathalia4, Ahon-Jiraldo, María1, Valdivia-Alcalde, Claudia1, Runzer-Colmenares, Fernando M.3
Source: Revista Horizonte Médico. ene-mar2026, Vol. 26 Issue 1, p1-9. 9p.
Abstract (English): Objective: To determine the correlation between the degree of frailty and serum biomarkers in older adults attending a hospital in Lima, Peru. Materials and methods: An observational, analytical, cross-sectional study was conducted in 66 adults aged ≥ 65 years treated at Hospital Central de la Fuerza Aérea del Perú (Central Hospital of the Peruvian Air Force) between 2024 and 2025. Frailty was assessed using the Short Physical Performance Battery (SPPB). Serum biomarkers analyzed included interleukin-6 (IL-6), C-reactive protein (CRP), D-dimer, vitamin D, fibrinogen, hemoglobin, basal insulin, glucose, ferritin, albumin, and vitamin B12. Fasting blood samples were collected using standardized procedures. Consecutive non-probability sampling was employed. Patients with moderate-to-severe dementia, severe mobility impairment, active cancer, or renal disease requiring hemodialysis were excluded. Results: The mean age was 79.87 ± 9.15 years, and the mean SPPB score was 8.79 ± 2.4. Significant positive correlations were found between SPPB score and hemoglobin (r = 0.48; p < 0.01), ferritin (r = 0.25; p = 0.03), and serum albumin (r = 0.50; p < 0.01). Negative correlations were observed with IL-6 (r = -0.27; p = 0.02), CRP (r = -0.33; p < 0.01), fibrinogen (r = -0.24; p = 0.04), and D-dimer (r = -0.23; p = 0.05). In a multivariate analysis adjusted for clinical covariates (sex; the Barthel Index for Activities of Daily Living; and the Strength, Ambulation, Rising from a Chair, Stair Climbing, and History of Falling [SARC-F] score), D-dimer (β = -0.22; 95% CI: -0.39 to -0.05; p = 0.01) and fibrinogen (β = -0.45; 95% CI: -0.78 to -0.12; p < 0.01) remained significantly and negatively associated with physical performance, while traditional inflammatory markers showed no independent associations. Conclusions: Coagulation markers, particularly D-dimer and fibrinogen, emerge as independent biomarkers of frailty in Peruvian older adults. Hemostatic disorders appear to be a more specific biological correlate of physical frailty than general systemic inflammation, suggesting their potential utility as accessible tools for early identification of frailty in a comprehensive geriatric assessment. [ABSTRACT FROM AUTHOR]
Abstract (Spanish): Objetivo: Determinar la correlación entre el grado de fragilidad y los biomarcadores séricos en adultos mayores en un hospital de Lima, Perú. Materiales y métodos: Se realizó un estudio observacional, analítico y transversal en 66 adultos mayores de 65 años atendidos en el Hospital Central de la Fuerza Aérea del Perú durante 2024-2025. La fragilidad se evaluó mediante la Batería Corta de Rendimiento Físico (SPPB). Se analizaron los biomarcadores séricos tales como la interleucina 6 (IL-6), la proteína C reactiva (PCR), el dímero D, la vitamina D, el fibrinógeno, la hemoglobina, la insulina basal, la glucosa, la ferritina, la albúmina y la vitamina B12. Las muestras se tomaron en ayunas con un método estandarizado. Se empleó un muestreo no probabilístico consecutivo y se excluyó a los pacientes con demencia moderada-severa, dismovilidad avanzada, neoplasias activas o enfermedad renal en hemodiálisis. Resultados: La edad promedio fue de 79,87 ± 9,15 años y el puntaje en la SPPB correspondió a 8,79 ± 2,4. Se encontraron correlaciones positivas significativas entre la SPPB y la hemoglobina (r = 0,48; p < 0,01), la ferritina (r = 0,25; p = 0,03) y la albúmina sérica (r = 0,50; p < 0,01). Las correlaciones negativas incluyeron la IL-6 (r = -0,27; p = 0,02), la PCR (r = -0,33; p < 0,01), el fibrinógeno (r = -0,24; p = 0,04) y el dímero D (r = -0,23; p = 0,05). En el análisis multivariado ajustado por covariables clínicas (sexo; índice de Barthel para actividades de la vida diaria; escala SARC-F para evaluación de la fuerza, la capacidad para caminar, la dificultad para levantarse de una silla y subir escaleras e historia de caídas), el dímero D (β = -0,22; IC 95%: -0,39 a -0,05; p = 0,01) y el fibrinógeno (β = -0,45; IC 95%: -0,78 a -0,12; p < 0,01) mantuvieron asociaciones negativas significativas con el rendimiento físico, mientras que los marcadores inflamatorios tradicionales no mostraron asociaciones independientes. Conclusiones: Los marcadores de coagulación, específicamente el dímero D y el fibrinógeno, emergen como biomarcadores independientes de fragilidad en adultos mayores peruanos. La disfunción hemostática parece ser un correlato biológico más específico que la inflamación sistémica general, lo que sugiere su utilidad potencial como herramientas accesibles para la identificación temprana de la fragilidad en la evaluación geriátrica integral. [ABSTRACT FROM AUTHOR]
Copyright of Revista Horizonte Médico is the property of Universidad de San Martin de Porres and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Correlaci&#243;n entre biomarcadores s&#233;ricos y nivel de fragilidad f&#237;sica en adultos mayores: un estudio transversal en un hospital de Lima, Per&#250;.
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  Data: Correlation between serum biomarkers and degree of physical frailty in older adults: a cross-sectional study in a hospital in Lima, Peru.
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  Data: &lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Falvy-Bockos%2C+Ian%22&quot;&gt;Falvy-Bockos, Ian&lt;/searchLink&gt;&lt;relatesTo&gt;1,2&lt;/relatesTo&gt;&lt;i&gt; ifalvy@yahoo.com&lt;/i&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22&#209;a&#241;a-C&#243;rdova%2C+&#193;lvaro+M%2E%22&quot;&gt;&#209;a&#241;a-C&#243;rdova, &#193;lvaro M.&lt;/searchLink&gt;&lt;relatesTo&gt;3&lt;/relatesTo&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Cahuapaza-Guti&#233;rrez%2C+Nelson+Luis%22&quot;&gt;Cahuapaza-Guti&#233;rrez, Nelson Luis&lt;/searchLink&gt;&lt;relatesTo&gt;3&lt;/relatesTo&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Barreto-Soto%2C+Mayra+E%2E%22&quot;&gt;Barreto-Soto, Mayra E.&lt;/searchLink&gt;&lt;relatesTo&gt;3&lt;/relatesTo&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Peralta-Vargas%2C+Carmen+Eliana%22&quot;&gt;Peralta-Vargas, Carmen Eliana&lt;/searchLink&gt;&lt;relatesTo&gt;1&lt;/relatesTo&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Molina-Costa%2C+Camila%22&quot;&gt;Molina-Costa, Camila&lt;/searchLink&gt;&lt;relatesTo&gt;1&lt;/relatesTo&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22G&#243;mez+de+la+Torre%2C+Juan+Carlos%22&quot;&gt;G&#243;mez de la Torre, Juan Carlos&lt;/searchLink&gt;&lt;relatesTo&gt;4,5&lt;/relatesTo&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Higuchi%2C+Yoshie%22&quot;&gt;Higuchi, Yoshie&lt;/searchLink&gt;&lt;relatesTo&gt;4&lt;/relatesTo&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22De+La+Cruz%2C+Nathalia%22&quot;&gt;De La Cruz, Nathalia&lt;/searchLink&gt;&lt;relatesTo&gt;4&lt;/relatesTo&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Ahon-Jiraldo%2C+Mar&#237;a%22&quot;&gt;Ahon-Jiraldo, Mar&#237;a&lt;/searchLink&gt;&lt;relatesTo&gt;1&lt;/relatesTo&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Valdivia-Alcalde%2C+Claudia%22&quot;&gt;Valdivia-Alcalde, Claudia&lt;/searchLink&gt;&lt;relatesTo&gt;1&lt;/relatesTo&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Runzer-Colmenares%2C+Fernando+M%2E%22&quot;&gt;Runzer-Colmenares, Fernando M.&lt;/searchLink&gt;&lt;relatesTo&gt;3&lt;/relatesTo&gt;
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  Data: &lt;searchLink fieldCode=&quot;JN&quot; term=&quot;%22Revista+Horizonte+M&#233;dico%22&quot;&gt;Revista Horizonte M&#233;dico&lt;/searchLink&gt;. ene-mar2026, Vol. 26 Issue 1, p1-9. 9p.
– Name: Abstract
  Label: Abstract (English)
  Group: Ab
  Data: Objective: To determine the correlation between the degree of frailty and serum biomarkers in older adults attending a hospital in Lima, Peru. Materials and methods: An observational, analytical, cross-sectional study was conducted in 66 adults aged ≥ 65 years treated at Hospital Central de la Fuerza A&#233;rea del Per&#250; (Central Hospital of the Peruvian Air Force) between 2024 and 2025. Frailty was assessed using the Short Physical Performance Battery (SPPB). Serum biomarkers analyzed included interleukin-6 (IL-6), C-reactive protein (CRP), D-dimer, vitamin D, fibrinogen, hemoglobin, basal insulin, glucose, ferritin, albumin, and vitamin B12. Fasting blood samples were collected using standardized procedures. Consecutive non-probability sampling was employed. Patients with moderate-to-severe dementia, severe mobility impairment, active cancer, or renal disease requiring hemodialysis were excluded. Results: The mean age was 79.87 &#177; 9.15 years, and the mean SPPB score was 8.79 &#177; 2.4. Significant positive correlations were found between SPPB score and hemoglobin (r = 0.48; p &lt; 0.01), ferritin (r = 0.25; p = 0.03), and serum albumin (r = 0.50; p &lt; 0.01). Negative correlations were observed with IL-6 (r = -0.27; p = 0.02), CRP (r = -0.33; p &lt; 0.01), fibrinogen (r = -0.24; p = 0.04), and D-dimer (r = -0.23; p = 0.05). In a multivariate analysis adjusted for clinical covariates (sex; the Barthel Index for Activities of Daily Living; and the Strength, Ambulation, Rising from a Chair, Stair Climbing, and History of Falling [SARC-F] score), D-dimer (β = -0.22; 95% CI: -0.39 to -0.05; p = 0.01) and fibrinogen (β = -0.45; 95% CI: -0.78 to -0.12; p &lt; 0.01) remained significantly and negatively associated with physical performance, while traditional inflammatory markers showed no independent associations. Conclusions: Coagulation markers, particularly D-dimer and fibrinogen, emerge as independent biomarkers of frailty in Peruvian older adults. Hemostatic disorders appear to be a more specific biological correlate of physical frailty than general systemic inflammation, suggesting their potential utility as accessible tools for early identification of frailty in a comprehensive geriatric assessment. [ABSTRACT FROM AUTHOR]
– Name: Abstract
  Label: Abstract (Spanish)
  Group: Ab
  Data: Objetivo: Determinar la correlaci&#243;n entre el grado de fragilidad y los biomarcadores s&#233;ricos en adultos mayores en un hospital de Lima, Per&#250;. Materiales y m&#233;todos: Se realiz&#243; un estudio observacional, anal&#237;tico y transversal en 66 adultos mayores de 65 a&#241;os atendidos en el Hospital Central de la Fuerza A&#233;rea del Per&#250; durante 2024-2025. La fragilidad se evalu&#243; mediante la Bater&#237;a Corta de Rendimiento F&#237;sico (SPPB). Se analizaron los biomarcadores s&#233;ricos tales como la interleucina 6 (IL-6), la prote&#237;na C reactiva (PCR), el d&#237;mero D, la vitamina D, el fibrin&#243;geno, la hemoglobina, la insulina basal, la glucosa, la ferritina, la alb&#250;mina y la vitamina B12. Las muestras se tomaron en ayunas con un m&#233;todo estandarizado. Se emple&#243; un muestreo no probabil&#237;stico consecutivo y se excluy&#243; a los pacientes con demencia moderada-severa, dismovilidad avanzada, neoplasias activas o enfermedad renal en hemodi&#225;lisis. Resultados: La edad promedio fue de 79,87 &#177; 9,15 a&#241;os y el puntaje en la SPPB correspondi&#243; a 8,79 &#177; 2,4. Se encontraron correlaciones positivas significativas entre la SPPB y la hemoglobina (r = 0,48; p &lt; 0,01), la ferritina (r = 0,25; p = 0,03) y la alb&#250;mina s&#233;rica (r = 0,50; p &lt; 0,01). Las correlaciones negativas incluyeron la IL-6 (r = -0,27; p = 0,02), la PCR (r = -0,33; p &lt; 0,01), el fibrin&#243;geno (r = -0,24; p = 0,04) y el d&#237;mero D (r = -0,23; p = 0,05). En el an&#225;lisis multivariado ajustado por covariables cl&#237;nicas (sexo; &#237;ndice de Barthel para actividades de la vida diaria; escala SARC-F para evaluaci&#243;n de la fuerza, la capacidad para caminar, la dificultad para levantarse de una silla y subir escaleras e historia de ca&#237;das), el d&#237;mero D (β = -0,22; IC 95%: -0,39 a -0,05; p = 0,01) y el fibrin&#243;geno (β = -0,45; IC 95%: -0,78 a -0,12; p &lt; 0,01) mantuvieron asociaciones negativas significativas con el rendimiento f&#237;sico, mientras que los marcadores inflamatorios tradicionales no mostraron asociaciones independientes. Conclusiones: Los marcadores de coagulaci&#243;n, espec&#237;ficamente el d&#237;mero D y el fibrin&#243;geno, emergen como biomarcadores independientes de fragilidad en adultos mayores peruanos. La disfunci&#243;n hemost&#225;tica parece ser un correlato biol&#243;gico m&#225;s espec&#237;fico que la inflamaci&#243;n sist&#233;mica general, lo que sugiere su utilidad potencial como herramientas accesibles para la identificaci&#243;n temprana de la fragilidad en la evaluaci&#243;n geri&#225;trica integral. [ABSTRACT FROM AUTHOR]
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  Data: &lt;i&gt;Copyright of Revista Horizonte M&#233;dico is the property of Universidad de San Martin de Porres and its content may not be copied or emailed to multiple sites without the copyright holder&#39;s express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.&lt;/i&gt; (Copyright applies to all Abstracts.)
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