Table 1.
Baseline clinical characteristics of patients with or without urinary tract infection (urine culture support).
| Patient characteristics | Patients with UTI a | Patients without UTI | All | P-value |
|---|---|---|---|---|
| No. of participants | 90 | 293 | 383 | – |
| Sex, No. (%) | 2.79×10-5 | |||
| Men | 45 (50.0) | 219 (74.7) | 264 (68.9) | |
| Women | 41 (45.6) | 68 (23.2) | 109 (28.5) | |
| Missing | 4 (4.4) | 6 (2.1) | 10 (2.6) | |
| Age, mean (SD) | 65.3 (18.5) | 63.4 (17.6) | 63.8 (17.8) | 0.39 |
| Symptoms, No. (%) | 61 (67.8) | 189 (64.5) | 250 (65.3) | |
| Dysuria, n | 24 (26.7) | 37 (12.6) | 61 (15.9) | 1.77×10-3 |
| Loin pain, n | 22 (24.4) | 84 (28.7) | 106 (27.7) | 0.25 |
| Fever, n | 17 (18.9) | 24 (8.2) | 41 (10.7) | 5.40×10-3 |
| Missing | 29 (32.2) | 104 (35.5) | 133 (34.7) | – |
| Prior antibiotics, n b , No. (%) | 19 (21.1) | 85 (29.0) | 104 (27.2) | 0.17 |
| Urine specimen type, No. (%) | 0.08 | |||
| Mid-stream | 55 (61.1) | 207 (70.6) | 262 (68.4) | |
| Catheter | 34 (37.8) | 85 (29.0) | 119 (31.1) | |
| Percutaneous nephrectomy | 1 (1.1) | 1 (0.4) | 2 (0.5) |
UTI, urinary tract infection; IQR, interquartile range; WBC, white blood cell in urine; RBC, red blood cell in urine.
a
UTI was diagnosed as the growth of a single and same pathogenic organism at aconcentration of >105 colony-forming units per milliliter (CFU/ml) in urine samples.
b
Within 2 weeks prior to inclusion.