Table 2. Patient demographics and baseline characteristics.
| Parameter | Placebo
(n = 363) |
Methylnaltrexone | Total
(N = 1263) |
||
|---|---|---|---|---|---|
| SC
(n = 298) |
Oral
(n = 602) |
All
(n = 900) |
|||
| Mean age, years (range) | 51.3 (23, 83) | 48.3 (23, 78) | 51.3 (18, 82) | 50.3 (18, 82) | 50.6 (18, 83) |
| Gender, n (%) | |||||
| Men | 134 (36.9) | 120 (40.3) | 227 (37.7) | 347 (38.6) | 481 (38.1) |
| Women | 229 (63.1) | 178 (59.7) | 375 (62.3) | 553 (61.4) | 782 (61.9) |
| Race, n (%) | |||||
| White | 307 (84.6) | 272 (91.3) | 494 (82.1) | 766 (85.1) | 1073 (85.0) |
| Black or African American | 42 (11.6) | 17 (5.7) | 93 (15.4) | 110 (12.2) | 152 (12.0) |
| Other | 14 (3.9) | 9 (3.0) | 15 (2.5) | 24 (2.7) | 38 (3.0) |
| Median baseline MED, mg/day (range) | 145.3 (13.6, 1287) | 160.0 (7.1, 1334) | 151.0 (27.0, 2289) | 152.5 (7.1, 2289) | 150.0 (7.1, 2289) |
| Mean number of laxatives used (SD) | 0.4 (0.6) | 0.9 (0.5) | 0.1 (0.4) | 0.4 (0.5) | 0.4 (0.6) |
| Mean RFBMs per week (SD) | 1.3 (1.0) | 1.0 (0.8) | 1.4 (0.9) | 1.3 (0.9) | 1.3 (0.9) |
| Mean pain score (SD) | 6.2 (1.9) | 6.2 (1.9) | 6.4 (1.9) | 6.3 (1.9) | 6.3 (1.9) |
MED = morphine equivalent dose; RFBM = rescue-free bowel movements; SC = subcutaneous; SD = standard deviation.