| Urine Dipstick | CBEU | |
| Positive n (%) | Negative n (%) | |
| L+N− | 23 (60.5%) | 105 (63.3%) |
| L−N+ | 1 (2.6%) | 2 (1.2%) |
| L+N+ | 5 (13.2%) | 8 (4.8%) |
| L−N− | 9 (23.7%) | 51 (30.7%) |
| Total | 38 (100%) | 166 (100%) |