Table 3. Association Between Sociodemographic and Clinical Variables and Serum IgG4 > 140 mg/dL in Patients With Inflammatory Bowel Disease and Prevalence Ratios After Multiple Poisson Regression.
| n (%) | Prevalence, n (%) | 95% CI | PRa | 95% CIb | P-value | |
|---|---|---|---|---|---|---|
| Sex | ||||||
| Male | 21 (37%) | 6 (28.57%) | 8.64 - 48.51 | 1.00 | ||
| Female | 35 (63%) | 4 (11.43%) | 0.55 - 22.3 | 1.89 | 0.63 - 5.63 | 0.2000 |
| Disease | ||||||
| UCc | 30 (53.5%) | 9 (30%) | 13.08 - 46.92 | 16.42 | 3.32 - 79.58 | 0.0006 |
| CDd | 26 (46.4%) | 1 (3.85%) | 0.00 - 11.47 | 1.00 | ||
| Activity | ||||||
| Remission | 37 (66%) | 6 (16.22%) | 3.96 - 28.47 | 1.01 | 0.31 - 3.35 | 0.9000 |
| Active | 19 (33%) | 4 (21.05%) | 2.14 - 39.97 | 1.00 | ||
| Elastase | ||||||
| > 200 μg/g | 46 (82.2%) | 8 (17.39%) | 6.09 - 28.69 | 1.00 | ||
| < 200 μg/g | 10 (17.8%) | 2 (20.0%) | 0.00 - 45.58 | 0.74 | 0.18 - 3.02 | 0.7000 |
| Azathioprine | ||||||
| No | 23 (41%) | 3 (13.04%) | 0.00 - 27.74 | 1 | ||
| Yes | 33 (59%) | 7 (21.21%) | 6.82 - 35.6 | 4.8 | 1.32 - 17.39 | 0.0017 |
| Corticosteroids | ||||||
| No | 25 (40%) | 5 (20%) | 3.82 - 36.18 | 3.86 | 1.01 - 14.65 | 0.0470 |
| Yes | 31 (60%) | 5 (16%) | 2.77 - 29.49 | 1 |
aPrevalence ratio (multiple Poisson regression). b95% confidence interval, corrected (multiple Poisson regression). cUlcerative colitis. dCrohn’s disease.