Table 1 Patient demographics
Total | Management | p value (surgical treatment vs. conservative management) | ||
|---|---|---|---|---|
Surgical treatment | Conservative management | |||
No. patients (%) | 74 | 52 (70.3) | 22 (29.7) | |
Age, years | 82 (36–98) | 76 (36–92) | 86 (68–98) | <0.01 |
Female, n (%) | 51 (68.9) | 33 (63.5) | 18 (81.8) | 0.17 |
ECOG PS, n (%) | 19 (25.7) | 16 (30.8) | 3 (13.6) | 0.15 |
3 | 55 (74.3) | 36 (69.2) | 19 (86.4) | |
4 | ||||
Charlson comorbidity index | 2 (0–8) | 2 (0–6) | 2 (0–8) | 0.82 |
Serum creainine on admission, mg/dL | 1.01 (0.33–5.49) | 0.89 (0.44–5.49) | 1.26 (0.33–3.83) | 0.28 |
History of urinary calculi, n (%) | 20 (27.0) | 16 (30.8) | 4 (18.2) | 0.39 |
Coexisting acute pyelonephritis, n (%) | 61 (82.4) | 40 (76.9) | 21 (95.5) | 0.09 |
Urinary drainage | 61 (82.4) | 43 (82.7) | 18 (81.8) | 1.00 |
Bilateral stone, n (%) | 7 (9.5) | 7 (13.5) | 0 (0.0) | 0.09 |
Stone position, n (%) | ||||
Kidney | 17 (23.0) | 14 (26.9) | 3 (13.6) | |
Ureter | 44 (59.5) | 28 (53.9) | 16 (72.7) | |
Kidney and ureter | 13 (17.6) | 10 (19.2) | 3 (13.6) | |
Stone size, mm | 11.5 (2–53) | 12 (2–53) | 10.5 (4–35) | 0.82 |
Multiple stones, n (%) | 41 (55.4) | 28 (53.9) | 13 (59.1) | 0.79 |