Variable | Univariate analysis | Multivariate analysis | ||||
---|---|---|---|---|---|---|
HR | 95% CI | p value | HR | 95% CI | p value | |
Age, year | 1.10 | 1.02–1.22 | <0.01 | 1.01 | 0.91–1.14 | 0.90 |
Female (vs Male) | 4.59 | 0.83–85.69 | 0.08 | 3.80 | 0.39–95.67 | 0.27 |
Charlson Comorbidity Index | 1.21 | 0.79–1.78 | 0.36 | |||
Coexisting acute pyelonephritis | 1.99 | 0.36–37.98 | 0.47 | |||
Urinary drainage | 0.43 | 0.11–2.07 | 0.26 | |||
Stone size, mm | 0.97 | 0.86–1.04 | 0.45 | |||
Multiple stones | 1.55 | 0.40–7.39 | 0.53 | |||
Stone removal | 0.05 | 0.00–0.27 | <0.01 | 0.06 | 0.00–0.43 | <0.01 |