Table 1.
Baseline cohort characteristics.
| N | Age | Male | Diabetes | Gout | BMI ≥30a | |
|---|---|---|---|---|---|---|
| Urolithiasis | 11,570 | 45 (36, 56) | 7648 (66.1) | 584 (5.1) | 226 (2.0) | 1267 (28.8) |
| No Urolithiasis | 127,464 | 46 (36, 57) | 83,802 (65.8) | 3709 (2.9) | 2092 (1.6) | 8908 (22.6) |
| p value | <0.001 | 0.01 | <0.001 | |||
| SWL | 1165 | 46 (38, 57) | 744 (63.9) | 49 (4.2) | 22 (1.9) | 112 (26.9) |
| URS | 765 | 45 (36, 57) | 526 (68.8) | 44 (5.8) | 13 (1.7) | 85 (32.2) |
| SWL and URS | 154 | 49.5 (40, 61) | 108 (70.1) | 10 (6.5) | 4 (2.6) | 19 (35.2) |
| No SWL or URS | 9486 | 45 (35, 56) | 6270 (66.1) | 481 (5.1) | 187 (2.0) | 1051 (28.7) |
| p value | <0.001 | 0.11 | 0.36 | 0.89 | 0.34 | |
| SWL Kidney | 991 | 46 (37, 57) | 615 (62.1) | 48 (4.8) | 17 (1.7) | 99 (28.0) |
| SWL Ureter | 230 | 48 (39, 58) | 164 (71.3) | 10 (4.4) | 6 (2.6) | 18 (22.5) |
| SWL Kidney and Ureter | 98 | 47.5 (38, 57) | 73 (74.5) | 1 (1.0) | 3 (3.1) | 14 (37.8) |
| p value | 0.49 | 0.003 | 0.22 | 0.49 | 0.23 |
Data presented as median (inter-quartile range) or n (%).
a
N = 4396 for urolithiasis and N = 39,338 for no urolithiasis.
BMI – body mass index, SWL – extracorporeal shock wave lithotripsy, URS – ureteroscopy.