Table 1. Demographic and comorbidity characteristics of the BD and comparison cohorts.
| BD | Comparison | p-value | |||
|---|---|---|---|---|---|
| N = 2134 | N = 8528 | ||||
| n | % | n | % | ||
| Age, year | 0.98 | ||||
| 18–64 | 597 | 28.0 | 2388 | 28.0 | |
| > = 65 | 1537 | 72.0 | 6140 | 72.0 | |
| Mean (SD) | 70.3 | (14.4) | 70.2 | (14.4) | 0.93 |
| Sex | 0.99 | ||||
| Female | 558 | 26.2 | 2230 | 26.2 | |
| Male | 1576 | 73.8 | 6298 | 73.8 | |
| Region | <0.0001 | ||||
| North | 775 | 36.3 | 3623 | 42.5 | |
| Central | 308 | 14.4 | 1938 | 22.7 | |
| South | 897 | 42.0 | 2367 | 27.8 | |
| East | 154 | 7.22 | 600 | 7.04 | |
| Comorbidity | |||||
| Diabetes | 305 | 14.3 | 1528 | 17.9 | <0.0001 |
| Hydronephrosis | 269 | 12.6 | 1820 | 21.3 | <0.0001 |
| Smoking | 463 | 21.7 | 1758 | 20.6 | 0.27 |
| CKD | 43 | 2.01 | 191 | 2.24 | 0.53 |
Chi-square test and t-test
BD: bladder diverticulum, CKD: chronic kidney disease