Table 3.
Risk factors of perianal fistula development among patients with anal fissure
| Independent variables | Model 1 | Model 2 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| B | SE | Constant | OR (95% CI) | P-value | B | SE | Constant | OR (95% CI) | P-value | |
| Sex (Female vs. Male) | -0.365 | 0.370 | 0.000 | 0.69 (0.34–1.43) | 0.324 | -0.567 | 0.395 | -1.389 | 0.58(0.26–1.23) | 0.151 |
| Age (per 1-year increase) | 0.003 | 0.017 | -0.328 | 1.00 (0.97–1.04) | 0.845 | 0.005 | 0.018 | 1.01 (0.97–1.04) | 0.764 | |
| BMI (per 1-unit increase) | 0.007 | 0.038 | -0.375 | 1.01 (0.93–1.08) | 0.855 | 0.001 | 0.040 | 1.00 (0.92–1.08) | 0.981 | |
| Chili pepper consumption (regular vs. not regular) | 1.120 | 0.514 | -1.10 | 3.06 (1.12–8.39) | 0.029 | 1.086 | 0.526 | 2.96 (1.06–8.31 | 0.039 | |
| Duration of fissure symptoms (per 1-month increase) | 0.024 | 0.011 | -0.524 | 1.02 (1.00-1.05) | 0.032 | 0.025 | 0.012 | 1.03 (1.00-1.05) | 0.035 | |
Abbreviations: BMI: body mass index, CI: confidence interval, OR: odds ratio. The ORs and 95% CI were determined by logistic regression. Model 1: crude, and Model 2: multivariable model. Bold denotes statistical significance (P-value < 0.05)