Table 5.
Multivariable logistic regression analysis of factor affecting fever/sepsis
| OR | 95%CI | P | |
|---|---|---|---|
| Age | 1.00 | 0.99–1.01 | 0.511 |
| Male gender | 1.11 | 0.83–1.51 | 0.482 |
| Stone size | 1.09 | 1.04–1.15 | <0.001 |
| Positive urine culture | 1.67 | 1.05–2.57 | 0.024 |
| Stone location | |||
| Upper pole | 1.31 | 0.96–1.78 | 0.088 |
| Interpolar | 1.68 | 1.23–2.29 | 0.001 |
| Lower pole | 0.76 | 0.56–1.04 | 0.084 |
| Pelvis | 0.96 | 0.71–1.31 | 0.810 |
| Proximal ureter | 0.87 | 0.51–1.43 | 0.585 |
| Prestented | 1.37 | 1.01–1.85 | 0.039 |
| Flash sterilization | 0.88 | 0.56–1.44 | 0.603 |
| Scope used for >2 cases before (reference ≤2) | 0.72 | 0.46–1.10 | 0.145 |
| Scope changed during case | 1.09 | 0.58–1.92 | 0.788 |
| Total operation time | 0.988 | 0.977–1.01 | 0.059 |
CI=Confidence interval, OR=Odds ratio