Table 2.
Differences between collagenous colitis (CC) and lymphocytic colitis (LC).
| CC N = 82 % |
LC N = 49 % |
CC/LC | ||
|---|---|---|---|---|
|
| ||||
| Crude OR, 95% CI | OR, 95% CI | |||
| Age at menarche (year) | ||||
| Missing value | 9.8 | 6.1 | “–” | “–” |
| ≤12 (reference) | 28.0 | 18.4 | 1.00 | 1.00 |
| >12 to <15 | 47.6 | 51.0 | 1.64 (0.65–4.11) | 1.68 (0.62–4.54) |
| ≥15 | 14.6 | 24.5 | 2.56 (0.84–7.76) | 3.42 (0.96–12.14) |
| Parity | ||||
| Missing value | 3.7 | 2.0 | “–” | “–” |
| Nullipara (reference) | 4.9 | 16.3 | 1.00 | 1.00 |
| Parous | 91.5 | 81.6 | 0.27 (0.08–0.94) | 0.20 (0.05–0.86) |
| Age at first childbirth (year) | ||||
| Missing value | 4.9 | 2.0 | “–” | “–” |
| Nullipara (reference) | 4.9 | 16.3 | 1.00 | 1.00 |
| ≤25 | 62.2 | 61.2 | 0.29 (0.08–1.06) | 0.22 (0.05–0.98) |
| >25 | 28.0 | 20.4 | 0.22 (0.05–0.89) | 0.16 (0.03–0.79) |
| Age at menopause (year) | ||||
| Missing value* | 25.6 | 16.3 | “–” | “–” |
| ≤45 (reference) | 22.0 | 18.4 | 1.00 | 1.00 |
| >45 to <53 | 28.0 | 40.8 | 1.74 (0.64–4.73) | 1.92 (0.64–5.81) |
| ≥53 | 24.4 | 24.5 | 1.20 (0.41–3.51) | 1.09 (0.33–3.64) |
| Exposure to OC | ||||
| Missing value | 2.4 | 0 | “–” | “–” |
| Never (reference) | 23.2 | 24.5 | 1.00 | 1.00 |
| Ever | 74.4 | 75.5 | 0.96 (0.42–2.20) | 0.97 (0.40–2.37) |
| Exposure to HRT | ||||
| Missing value | 0 | 0 | “–” | “–” |
| Non (reference) | 91.5 | 91.8 | 1.00 | 1.00 |
| Current | 8.5 | 8.2 | 0.95 (0.26–3.44) | 0.91 (0.23–3.59) |
| Bilateral oophorectomy | ||||
| Missing value | 7.3 | 8.2 | “–” | “–” |
| No (reference) | 79.3 | 71.4 | 1.00 | 1.00 |
| Yes | 13.4 | 20.4 | 1.69 (0.65–4.36) | 1.68 (0.58–4.88) |
Notes:
*
Missing values includes missing values and premenopausal women. Calculations were adjusted for age, smoking habits, alcohol habits, civil status, and employment.
Abbreviations: HRT, hormonal replacement therapy; CI, Confidence interval; OC, oral contraceptives; OR, Odds ratio.