Table 5.
Effects of potential predictor variables and predictor variables in the final model.
| Univariate | Multivariate (final model) | ||||
|---|---|---|---|---|---|
| Estimates | OR (95% CI) | Estimates | OR (95% CI) | p value | |
| (Intercept) | −1.356 | 0.258 (0.075, 0.752) | 0.019 | ||
| Subjective symptoms | |||||
| Tendency to sweat | 1.515 | 4.550 (1.945, 11.684) | 0.930 | 2.533 (0.844, 8.210) | 0.106 |
| Heat intolerance | 1.176 | 3.240 (1.248, 9.531) | |||
| Leg numbness | 2.197 | 9.000 (1.617, 168.588) | 2.448 | 11.561 (1.844, 228.900) | 0.029 |
| Cold sensation in lower back | 1.404 | 4.071 (1.216, 18.571) | 1.559 | 4.752 (0.870, 35.614) | 0.095 |
| Lightheadedness | −0.738 | 0.478 (0.231, 0.974) | −1.019 | 0.361 (0.128, 0.971) | 0.047 |
| Objective findings | |||||
| Slim (BMI < 18.5) | −1.716 | 0.180 (0.061, 0.460) | |||
| Weak abdomen | −2.148 | 0.117 (0.045, 0.274) | −1.498 | 0.224 (0.068, 0.666) | 0.009 |
| Strong abdomen | 2.346 | 10.440 (2.827, 67.728) | 2.077 | 7.984 (1.732, 60.429) | 0.017 |
| Paraumbilical tenderness and resistance | 1.825 | 6.200 (2.753, 14.968) | 2.183 | 8.870 (2.921, 31.644) | 0.000 |
OR, odds ratio; CI, confidence interval; BMI, body mass index.