Table 1—

Baseline demographic and clinical characteristics of study patients (N = 1,253).

Demographic characteristics
 Age55 (6)
 Sex (% male)94
 Race
  White69
  African-American29
  Other2
Clinical characteristics
 Comorbidity (Kaplan-Feinstein   scale)
  None5
  Mild61
  Moderate21
  Severe13
 Weight >120% of ideal60
Quality of life
 SF-36 Physical Component Score36 (12)
 SF-36 Mental Component Score50 (14)
  • *

    * Data are mean (SD) or %.