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Table 3 Multivariate analysis of the primary and secondary outcomes

From: Should we support prophylactic intervention for asymptomatic kidney stones? A retrospective cohort study with long-term follow-up

Variables Stone-related events Future intervention
HR (95% CI) p value HR (95% CI) p value
 Intervention 0.175 (0.057–0.539) 0.002* 0.028 (0.003–0.255) 0.002*
 BMI 1.050 (0.927–1.190) 0.443 1.139 (0.926–1.400) 0.218
 Stone size (> 5 mm) 2.545 (1.247–5.196) 0.010* 3.207 (1.286–7.996) 0.012*
 Sex (male) 0.523 (0.218–1.253) 0.146 0.454 (0.168–1.227) 0.120
 Profession (pilot) 0.614 (0.288–1.307) 0.206 0.224 (0.073–0.685) 0.009*
 Location (not lower)   2.299 (0.325–16.262) 0.404
 Prior history (yes) 1.420 (0.756–2.664) 0.275  
 Hyperuricemia (yes) 3.388 (1.759–6.527)  < 0.001* 1.361 (0.481–3.853) 0.562
  1. *Values are statistically significant