Table 4 Logistic model for each correlation factors to baseline CD-related surgery history (has surgery history vs. no surgery history)
Variable | OR | 95% CI for OR | Parameter estimates (standard error) | Corresponding 95% CI | P value |
|---|---|---|---|---|---|
Age (years) | 1.047 | 1.029, 1.066 | 0.046 (0.009)+ | 0.029, 0.064 | < 0.001* |
Sex (male vs. female) | 1.549 | 0.963, 2.491 | 0.438 (0.242)+ | −0.037, 0.913 | 0.071 |
BMI (18.5 - < 24 vs. < 18.5 kg/m2) | 0.845 | 0.482, 1.481 | −0.169 (0.287) | −0.731, 0.393 | 0.555 |
BMI (≥24 vs. < 18.5 kg/m2) | 0.713 | 0.225, 2.260 | − 0.339 (0.589) | −1.493, 0.815 | 0.565 |
Nicotine use (former vs. Never) | 0.951 | 0.345, 2.624 | −0.050 (0.518) | −1.065, 0.965 | 0.923 |
Nicotine use (current vs. Never) | 1.591 | 0.752, 3.367 | 0.464 (0.382)+ | −0.285, 1.214 | 0.225 |
Alcohol use (former vs. Never) | 2.038 | 0.789, 5.270 | 0.712 (0.485)+ | −0.238, 1.662 | 0.142 |
Alcohol use (current vs. Never) | 2.163 | 0.878, 5.328 | 0.772 (0.460)+ | −0.130, 1.673 | 0.093 |
Time from disease onset to enrollment (months) | 1.009 | 1.005, 1.013 | 0.009 (0.002)+ | 0.005, 0.012 | < 0.001* |
Time from initial definite diagnosis to enrollment (months) | 1.015 | 1.009, 1.021 | 0.015 (0.003)+ | 0.009, 0.021 | < 0.001* |
Disease behavior (B2 vs. B1) | 2.815 | 1.634, 4.848 | 1.035 (0.278)+ | 0.491, 1.579 | < 0.001* |
Disease behavior (B3 vs. B1) | 8.147 | 4.655, 14.261 | 2.098 (0.286)+ | 1.538, 2.658 | < 0.001* |
Disease behavior (B3 vs. B2) | 2.895 | 1.690, 4.959 | 1.063 (0.275)+ | 0.525, 1.601 | < 0.001* |
Disease location (L3 vs. L1) | 1.260 | 0.761, 2.087 | 0.231 (0.257) | −0.273, 0.736 | 0.368 |
Disease location (L3 vs. L2) | 0.730 | 0.408, 1.304 | −0.315 (0.296)+ | −0.895, 0.266 | 0.288 |
Perianal disease (yes vs. no) | 0.419 | 0.247, 0.709 | −0.871 (0.268)+ | −1.397, − 0.344 | 0.001* |