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. 2014 Jan 8;9(1):e83628. doi: 10.1371/journal.pone.0083628

Table 4. Uni- and multivariate logistic regression analyses for predictors of stone-free status.

Univariate Multivariate
OR 95% CI P value OR 95% CI P value
Age 0.981 0.964–0.999 0.036
BMI 0.991 0.931–1.055 0.775
Laterality 0.695 0.440–1.098 0.119
S-ReSC score group
Low vs intermediate 0.197 0.114–0.338 <0.001 0.376 0.187–0.756 0.006
Low vs high 0.133 0.064–0.276 <0.001 0.161 0.064–0.402 <0.001
Stone number
1 versus 2 0.183 0.080–0.417 <0.001 0.126 0.050–0.319 <0.001
1 versus 3 0.400 0.113–1.421 0.157 0.260 0.068–1.001 0.050
1 versus 4+ 0.083 0.041–0.169 <0.001 0.127 0.055–0.296 <0.001
Largest diameter 0.961 0.937–0.985 0.001
Total stone volume 0.999 0.998–0.999 <0.001

OR, Odds ratio; CI, confidence interval; BMI, body mass index.