Psychometric scores
| IBS+ (n=22) Mean (SD) Median (IQR) | IBS− (n=72) Mean (SD) Median (IQR) | Mean difference (95% CI) | p Value | |
|---|---|---|---|---|
| Anxiety score | 8.3 (4.6) 7.5 (4.0–12.5) | 5.7 (3.4) 5.0 (3.0–9.0) | 2.6 (0.5–4.5) | 0.01 |
| Somatisation score | 3.1 (2.5) 3.0 (1.0–4.3) | 1.5 (1.6) 1.0 (0.0–2.8) | 1.6 (0.6–2.7) | 0.003 |
| Neuroticism score | 11.7 (4.7) 10.5 (8.8–15.3) | 8.4 (4.9) 7.5 (4.0–12.0) | 3.4 (1.2–5.6) | 0.008 |
| Life event score 1 year before illness | 4.6 (3.3) 4.0 (2.0–7.0) | 2.4 (1.9) 2.0 (1.0–3.8) | 2.3 (0.9–3.7) | 0.001 |
| Life event score 3 months after illness | 2.0 (2.2) 1.0 (1.0–2.0) | 0.7 (0.9) 0.0 (0.0–1.0) | 1.29 (0.4–2.2) | 0.001 |
| Hypochondriasis score | 3.1 (2.5) 3.0 (0.8–6.0) | 1.7 (1.8) 1.0 (0.0–2.8) | 1.4 (0.3–2.5) | 0.02 |
IQR, interquartile range; CI, confidence interval.