Table 2.
Descriptive statistics for Cohort 1 and Cohort 2.
| Cohort
1 full sample (n = 231)
Subsample with abuse data (n = 124) |
Cohort 2 (n = 141) |
|||||
|---|---|---|---|---|---|---|
| Mean ± SD | Range | n (%) | Mean ± SD | Range | n (%) | |
| Age (years) | 35.9 ± 11.7 36.1 ± 12.2 | 19-67 19–67 | 34.7 ± 11.5 | 19-60 | ||
| Women | 181 (78.4) 94 (75.8) | 100 (70.9) | ||||
| Men | 50 (21.7) 30 (24.2) | 41 (29.1) | ||||
| BMI (kg/m2) | 23.4 ± 3.9 23.4 ± 3.7 | 16.2-38.2 17.3-38.2 | 23.5 ± 3.8 | 16.0-43.1 | ||
| Sexual abuse childhood | n/a 23 (19.0) | 25 (17.7) | ||||
| Sexual abuse adulthood | n/a 27 (21.8) | 44 (31.2) | ||||
| Physical abuse childhood | n/a 19 (16.8) | 36 (25.5) | ||||
| Physical abuse adulthood | n/a 16 (14.0) | 42 (29.8) | ||||
| GI-specific anxiety (VSI) | 38.7 ± 17.1 36.8 ± 16.5 | 3–74 8–72 | 43.3 ± 16.0 | 2–75 | ||
| Anxiety (HADS) | 8.2 ± 4.6 7.7 ± 4.6 | 0–21 0–19 | 8.3 ± 4.6 | 0–21 | ||
| Depression (HADS) | 5.1 ± 3.7 5.0 ± 3.6 | 0–20 0–16 | 5.2 ± 3.5 | 0–17 | ||
| Somatization (standardized on full sample) | 0.0 ± 1.0 −0.02 ± 0.96 | −1.9 to 3.2 −1.5 to 2.8 | ||||
| Somatization (PHQ-15) | 13.4 ± 4.7 | 3–30 | ||||
| Pain threshold (mmHg > OP) | 30.7 ± 11.1 33.9 ± 13.2 | 2–62 12–62 | ||||
| Pain threshold (mmHg) | 27.2 ± 8.7 | 12–56 | ||||
| Pain referral area (cm2) | 6.5 ± 7.6 4.7 ± 5.2 | 0.3–46.8 0.3–31.0 | ||||
| Pain intensity rating at 36 mmHg rectal distension (VAS) | 57.8 ± 31.8 | 0–100 | ||||
SD: standard deviation; BMI: body mass index; OP: operating pressure; HADS: Hospital Anxiety and Depression Scale; GI: gastrointestinal; VSI: visceral sensitivity index; PHQ-15: Patient Health Questionnaire-15; VAS: visual analog scale.