Table II.
Comparison between febrile and afebrile senile patients.
| Characteristic | Febrile senile | Afebrile senile | P-value |
|---|---|---|---|
| Age (years) | 68.5±5.8 | 69.2±6.0 | NS |
| Body mass index (kg/m2) | 23.7±3.0 | 23.3±2.8 | NS |
| Preoperative stenting (%) | 4 (16.7) | 15 (11.3) | NS |
| Diabetes mellitus (%) | 6 (25.0) | 9 (6.8) | <0.05 |
| Hydronephrosis (%) | 10 (41.7) | 28 (21.1) | <0.05 |
| Urinary tract infection (%) | 8 (33.3) | 13 (9.8) | <0.01 |
| Mean stone burden (mm) | 13.9±5.4 | 13.1±4.6 | NS |
| Mean digitized surface area (mm2) | 170.1±74.6 | 151.8±54.9 | NS |
| Operative time (min) | 62.6±17.4 | 53.2±11.9 | <0.05 |
| Total number (n) | 24 | 133 |
NS, not significant.