Comparing risk factors in severe COVID-19 using machine learning and non-machine learning methods: analysis from 2 international randomized controlled trials. - Møller Jensen C; Zargari Marandi R; Moestrup KS; Mourad A; Mena Lora AJ; Sherman BT; Vock DM; Nordwall JA; Carson JM; Peiffer-Smadja N; Aggarwal NR; Naiman NE; et al. (JAMIA open, 2026)