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. Author manuscript; available in PMC: 2018 Jan 1.
Published in final edited form as: J Urol. 2016 Aug 10;197(1):246–252. doi: 10.1016/j.juro.2016.07.090

Table 3.

Multivariable Cox regression analysis of association between completion of 24-hour urine analysis, prescription of PPT, and stone recurrence

Hazard ratio 95 % CI p-value
24hr urinalysis & PPT
 No 24hr/No PPT Ref Ref Ref
 No 24hr/ + PPT 1.07 0.23–5.0 0.93
 + 24hr/ No PPT 0.44 0.19–1.02 0.055
 +24hr/+PPT 0.19 0.06–0.62 0.007
Age at diagnosis (years) 1.08 1.01–1.16 0.04
Female sex 0.97 0.62–1.51 0.88
Medical comorbidity 0.6 0.28–1.54 0.34
Stone analysis completion 0.79 0.49–1.30 0.36
BMI percentile 1.52 0.67–3.45 0.31
Adherence 1.64 0.76–3.54 0.21