Variable | Total cases | Study group (n = 30) | Control group (n = 54) | p value |
---|---|---|---|---|
Age, [years, mean ± SD] | 69.31 ± 9.36 | 70.84 ± 9.89 | 68.44 ± 9.03 | 0.258 |
Male gender, n (%) | 64 (76.20) | 26 (86.67) | 38 (70.37) | 0.158 |
ECOG performance status, n (%) | 0.783 | |||
0–1 | 79 (94.05) | 28 (93.33) | 51 (94.44) | |
> 1 | 5 (5.95) | 2 (6.67) | 3 (5.56) | |
Diabetes mellitus, n (%) | 14 (16.67) | 5 (16.67) | 9 (16.67) | 1.000 |
BMI, [kg/m2, mean ± SD] | 22.77 ± 3.03 | 22.36 ± 3.04 | 23.00 ± 3.03 | 0.359 |
ASA score, [cases (%)] | 0.471 | |||
≤ 2 | 60 (71.43) | 20 (66.67) | 40 (74.07) | |
> 2 | 24 (28.57) | 10 (33.33) | 14 (25.93) | |
Previous abdominal surgery, n (%) | 19 (22.62) | 10 (33.33) | 9 (16.67) | 0.080 |
Preoperative hydronephrosis, n (%) | 0.399 | |||
Absent | 71 (84.52) | 24 (80.00) | 47 (87.04) | |
Unilateral | 7 (8.33) | 3 (10.00) | 4 (7.41) | |
Bilateral | 6 (7.14) | 3 (10.00) | 3 (5.56) | |
Clinical tumor stage, n (%) | 0.609 | |||
≤ T1 | 28 (33.33) | 8 (26.67) | 20 (37.04) | |
T2 | 32 (38.10) | 13 (43.33) | 19 (35.19) | |
T3-4 | 24 (28.57) | 9 (30.00) | 15 (22.22) | |
Preoperative creatinine, [μmol/L, median (range)] | 80 (49–143.5) | 84 (39–143.5) | 78 (44–135) | 0.307 |