The prospective pioglitazone clinical trial in macrovascular events (PROactive): can pioglitazone reduce cardiovascular events in diabetes? Study design and baseline characteristics of 5238 patients. - Charbonnel, Bernard; Dormandy, John; Erdmann, Erland; Masssi-Benedetti, Massimo; Skene, Allan; Massi-Benedetti, Massimo; PROactive Study Group (Diabetes Care, 2004)