TABLE 2.
Patient characteristics by data set
| Variable | Development (n = 580) | Validation (n = 141) |
|---|---|---|
| Age (yr), mean (SD), range | 49.5 (17), 18-88 | 49.6 (17), 18-88 |
| Ht (cm), mean (SD), range | 169 (9.9), 125-198 | 170 (10.4), 139-193 |
| WTKG (kg), mean (SD), range | 79.3 (21.3), 34-178 | 79.6 (22.7), 38-181 |
| IBW (kg), mean (SD), range | 64.2 (11.8), 20.9-96.9 | 64.6 (12.4), 33.4-91.6 |
| % of IBW, mean (SD), range | 125 (33.2), 67.5-298 | 126 (39.4), 66.5-N340 |
| CrCL (ml/min), mean (SD), range | 86.9 (29.5), 14.5-205 | 89.3 (29.8), 30.8-180 |
| Gender, n (%) | ||
| Male | 288 (50) | 73 (52) |
| Female | 292 (50) | 68 (48) |
| Ethnicity, n (%) | ||
| Black | 32 (6) | 10 (7) |
| Caucasian | 492 (85) | 117 (83) |
| Hispanic | 56 (10) | 14 (10) |
| CHFa status, n (%) | ||
| Absent | 571 (98) | 134 (95) |
| Present | 9 (2) | 7 (5) |
| Obesity, n (%) | ||
| Obese | 196 (34) | 45 (32) |
| Nonobese | 384 (66) | 96 (68) |
a
CHF, congestive heart failure.