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Table 2 Multivariate analysis of significant variables identified by univariate analysis

From: The identification of pregnant women with renal colic who may need surgical intervention

Variable Category OR 95% CI p
Hydronephrosis None/mild vs. Moderate/Severe 9.9 3.9–25.2 < 0.01
Pain duration (d) < 4 vs. ≥ 4 7.4 3.1–17.8 < 0.01
Ureteral stone size (mm) < 8 vs. ≥ 8 8.1 2.6–25.4 < 0.01
Fever Yes vs. No 2.8 1.0–7.7 0.04
  1. OR, odds ratio; CI, confidence interval