Table 2.
Multivariate logistic regression models.
| Full | Reduced | |||||||
|---|---|---|---|---|---|---|---|---|
| OR | 95% CI | P | OR | 95% CI | P | |||
| Lower | Upper | Lower | Upper | |||||
| Age | 0.976 | 0.939 | 1.015 | 0.226 | ||||
| Sex (female) | 1.097 | 0.269 | 4.478 | 0.897 | ||||
| BMI | 1.037 | 0.889 | 1.209 | 0.648 | ||||
| Major axis (>8 mm) | 8.852 | 2.402 | 32.615 | 0.001∗ | 4.495 | 1.791 | 11.278 | 0.001∗ |
| Stone location (renal alone) | 3.945 | 0.997 | 15.604 | 0.050 | ||||
| Maximum HU | 1.001 | 0.999 | 1.003 | 0.365 | ||||
| Hydronephrosis | 2.259 | 0.636 | 8.025 | 0.208 | ||||
| Urolithiasis of the affected side | 0.539 | 0.157 | 1.846 | 0.325 | ||||
| Abdominal surgery | 0.642 | 0.135 | 3.045 | 0.577 | ||||
| Traceability (negative) | 7.947 | 2.324 | 27.171 | 0.001∗ | 7.565 | 2.693 | 21.248 | <0.001∗ |
| Smoking status | 2.912 | 1.007 | 8.427 | 0.049∗ | 3.196 | 1.164 | 8.773 | 0.024∗ |
| Absence of DM | 8.110 | 1.167 | 56.374 | 0.034∗ | 5.813 | 1.121 | 30.142 | 0.036∗ |
| HT | 0.615 | 0.208 | 1.819 | 0.380 | ||||
| DL | 1.174 | 0.351 | 3.929 | 0.795 | ||||
| Cardio/cerebrovascular disease | 2.740 | 0.418 | 17.947 | 0.293 | ||||
∗ Statistical significance. BMI, body metabolic index; CI, confidence interval; DL, dyslipidemia; DM, diabetes mellitus; HT, hypertension; OR, odds ratio.