Table 2. Imaging and laboratory findings of patients.
N: number of patients; CT: computed tomography; IQR: interquartile range
| Variable | N | (%) | |||
| Urinalysis | Not done | 29 | (8.0) | ||
| Blood | 186 | (55.5) | |||
| Leukocytes | 76 | (22.7) | |||
| Nitrites | 20 | (6.0) | |||
| Plain radiograph | Not done | 232 | (63.7) | ||
| Urinary stone | 42 | (31.8) | |||
| Renal ultrasound | Not done | 305 | (83.8) | ||
| Renal stone | 7 | (11.9) | |||
| Hydronephrosis | 32 | (54.2) | |||
| CT findings | Urinary stones | 243 | (66.8) | ||
| Renal | 118 | (32.4) | |||
| Ureteric | 198 | (54.4) | |||
| Proximal | 64 | (33.2) | |||
| Middle | 23 | (11.9) | |||
| Distal | 106 | (54.9) | |||
| Alternative diagnosis | 34 | (10.2) | |||
| Normal scan | 84 | (23.1) | |||
| Hematocrit (%) | Elevated | 75 | (21.9) | ||
| Non-elevated | 267 | (78.1) | |||
| Leukocytes count (cells/mL) | Elevated | 274 | (76.5) | ||
| Non-elevated | 84 | (23.5) | |||
| Blood urea nitrogen (mg/dL) | Elevated | 313 | (87.2) | ||
| Non-elevated | 46 | (12.8) | |||
| Creatinine (mg/dL) | Elevated | 230 | (64.1) | ||
| Non-elevated | 129 | (35.9) | |||