Table 1 Univariate analysis for successful conservative management in patients with EPN
Variables | Conservative treatment success (N = 10) | Conservative treatment failure (N = 44) | P value |
|---|---|---|---|
A. patient’s demographics and clinical data | |||
Age* (years) (mean ± SD) | 46 ± 10.7 | 49.6 ± 9.9 | 0.5 |
Gender** (no. of pts.) (%) | |||
Male | 2 (20) | 10 (22.7) | 0.5 |
Female | 8 (80) | 34 (77.3) | |
Fever** (no.of pts.) (%) | |||
Yes | 8 (80) | 42 (95.5) | 0.2 |
No | 2 (20) | 2 (4.5) | |
Uncontrolled DM ** (no.of pts.) (%) | |||
Yes | 6 (60) | 36 (81.8) | 0.2 |
No | 4 (40) | 8 (18.2) | |
B. Laboratory findings at admission | |||
Urine Culture** (no.of pts.) (%) | |||
A. Polymicrobial | 2 (20) | 12 (27.3) | 0.1 |
B. E.coli | 5 (50) | 18 (40.9) | |
C. klebsiella | 2 (20) | 11 (25) | |
D. others (Candida Albicans) | 1 (10) | 3 (6.8) | |
Serum creatinine*(mg/dl) (Median (range)) | 1.5 (1–6.1) | 1.6 (1.2–8.4) | 0.8 |
WBCS × 103/cc # (Mean ± SD) | 12.9 ± 4.4 | 14.1 ± 5.1 | 0.06 |
Albumin* (gm/dl) (Mean ± SD) | 2.6 ± 0.7 | 2.4 ± 0.6 | 0.4 |
C. CT radiological data at admission | |||
Presence of hydronephrosis** (no.of pts.) (%) | |||
Yes | 2 (20) | 31 (70.5) | 0.04 |
No | 8 (80) | 13 (29.5) | |
Presence of distal obstruction** (no.of pts.) (%) | |||
Yes | 4 (40) | 30 (68.2) | 0.1 |
No | 6 (60) | 14 (31.8) | |
Renal air locules volume cc3 # (median (range)) | 17 (4.4–89) | 112 (2–1440) | 0.002 |
Types** (no. of. pts.) (%) | |||
Type I | 5 (50) | 7 (15.9) | 0.4 |
Type II | 3 (30) | 14 (31.8) | |
Type III | 1 (10) | 19 (43.2) | |
Types IV | 1 (10) | 4 (9.1) | |