Table 1.
Descriptive Characteristics Based on Rome III Irritable Bowel Syndrome (IBS) Bowel Pattern Predominance in Women with IBS
| Variable | IBS-D diarrhea (n = 39) |
IBS-C constipation (n=22) |
IBS-M mixed (n=13) |
IBS-U unsubtyped (n=2) |
|---|---|---|---|---|
| Demographics | ||||
| Age (mean [SD], yr) | 37.8 (14.3) | 41.9 (15.6) | 33.4 (13.1) | 67.5 (0.7) |
| Body mass index (kg/m2, mean [SD]) | 25.8 (6.0) | 25.4 (6.8) | 24.6 (6.4) | 22.8 (0.7) |
| Race (White, % [n]) | 69% (25) | 91% (20) | 67% (8) | 100% (2) |
| Married or partnered (% [n]) | 49% (19) | 55% (12) | 30% (4) | 0 |
| Education (Bachelors or above, % [n]) | 69% (27) | 76% (16) | 62% (8) | 100% (2) |
| Income (> $60 000/yr, (% [n]) | 44% (14) | 47% (9) | 46% (6) | 50% (1) |
| Professional job (% [n]) | 49% (18) | 10% (2) | 31% (4) | 50% (1) |
| Daily Symptoms (mean [SD]) | ||||
| Abdominal pain | 1.39 (0.66) | 1.30 (0.52) | 1.49 (0.57) | 1.11 (0.15) |
| Bloating | 1.10 (0.83) | 1.13 (0.61) | 1.48 (0.83) | 1.11 (0.05) |
| Constipation* | 0.48 (0.54) | 1.14 (0.63) | 0.70 (0.58) | 0.57 (0.25) |
| Diarrhea* | 0.91 (0.60) | 0.17 (0.19) | 0.55 (0.81) | 0 |
| Urgency* | 0.91 (0.70) | 0.30 (0.31) | 0.90 (1.07) | 0 |
| Stool consistency* | 3.30 (0.56) | 2.44 (0.35) | 3.18 (0.43) | 2.75 (0.11) |
| Psychological distressa | 0.59 (0.49) | 0.77 (0.51) | 0.59 (0.31) | 0.35 (0.28) |
| Extra-intestinal painb | 0.42 (0.42) | 0.60 (0.34) | 0.43 (0.48) | 0.25 (0.33) |
| IBS quality of life | 66.9 (15.8) | 68.1 (12.6) | 66.0 (18.5) | 68.4 (14.7) |
a
Psychological distress is a composite of daily reporting of anxiety, depression, panic, and stressed;
b
Extra-intestinal pain is a composite of daily reporting of heartburn, joint pain, muscle pain, backache, and headache.
*
p<0.05 by ANOVA