Table 3.
Baseline characteristics | Higher-response subpopulation (n=51) |
Lower-response subpopulation (n=35) |
P-value |
---|---|---|---|
Demographics | |||
Age (years), mean (SD) | 52.0 (14.1) | 47.8 (14.0) | 0.27 |
Male, n (%) | 26 (51.0) | 14 (40.0) | 0.32 |
White, n (%) | 48 (94.1) | 35 (100.0) | 0.27 |
Disease characteristics | |||
Cause of major intestinal resection, n (%) | |||
Crohn’s disease | 16 (31.4) | 2 (5.7) | <0.01* |
Vascular disease | 10 (19.6) | 19 (54.3) | <0.01* |
Injury | 4 (7.8) | 4 (11.4) | 0.71 |
Volvulus | 7 (13.7) | 2 (5.7) | 0.30 |
Cancer | 3 (5.9) | 0 (0.0) | 0.27 |
Other | 11 (21.6) | 8 (22.9) | 0.89 |
Colon in continuity, n (%) | 18 (35.3) | 31 (88.6) | <0.01* |
Percentage of colon remaining, mean (SD) | 18.5 (26.3) | 65.0 (31.3) | <0.01* |
Estimated remaining small intestine length (cm), mean (SD) | 87.0 (70.6) | 61.6 (51.7) | 0.07 |
Estimated remaining small intestine length (cm), n (%) | 0.11 | ||
<60 | 20 (42.6) | 20 (60.6) | |
≥60 | 27 (57.4) | 13 (39.4) | |
Presence of distal/terminal ileum, n (%) | 9 (17.6) | 15 (42.9) | 0.01* |
Presence of ileocecal valve, n (%) | 2 (3.9) | 11 (31.4) | <0.01* |
Presence of stoma, n (%) | 33 (64.7) | 5 (14.3) | <0.01* |
Time since last small bowel resection (years), mean (SD) | 6.6 (6.1) | 8.2 (8.6) | 0.88 |
Baseline PS characteristics | |||
Baseline PS volume at randomization, n (%) | <0.01* | ||
≤6 L/week | 1 (2.0) | 14 (40.0) | |
>6 L/week | 50 (98.0) | 21 (60.0) | |
Time since start of PS dependency (years), mean (SD) | 6.7 (5.8) | 5.8 (6.3) | 0.20 |
Concomitant narcotics use, n (%) | 16 (31.4) | 11 (31.4) | 1.00 |
Note:
P<0.05.
Abbreviation: PS, parenteral support.