Table 1. Demographic and clinical findings of patients with APN with or without scar formation on late DMSA scan .
| Parameter | APN with scar (n=16) | APN without scar (n=38) | P |
| Sex | |||
| Female | 16 | 36 | 0.491 |
| Male | 0 | 2 | |
| Age (months) | 44.1 ± 25.06 | 34.8 ±37.2 | 0.367 |
| Serum creatinine (mg/dl) | 0.55 ± 0.16 | 0.6 ± 0.11 | 0.44 |
| BUN (mg/dl) | 24.2 ± 10.4 | 17 ± 5.3 | 0.061 |
| Hemoglobin (g/dl) | 11.2 ± 0.57 | 10.38 ± 1.12 | 0.07 |
| VUR, n (%) | |||
| Grade 0 (NL) | 3 (20) | 7 (26.9) | |
| Grade 1 | 0 (0) | 4 (15.4) | |
| Grade 2 | 4 (26.7) | 9 (34.6) | 0.29 |
| Grade 3 | 5 (33.3) | 4 (15.4) | |
| Grade 4 | 1 (6.7) | 0 (0) | |
| Grade 5 | 2 (13.3) | 2 (7.7) | |
| Germ of UTI | |||
| E. coli | 12 | 30 | |
| Klebsiela pneumonia | 1 | 0 | 0.24 |
| Psudomonaaeroginosa | 0 | 1 |
Abbreviations: DMSA, dimercaptosuccinic acid; APN, acute pyelonephritis; BUN, blood urine nitrogen; VUR, vesicoureteral reflux; NL, normal limit UTI, urinary tract infection.