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. Author manuscript; available in PMC: 2013 Feb 1.
Published in final edited form as: Urology. 2011 Nov 16;79(2):298–302. doi: 10.1016/j.urology.2011.07.1430

Table 2.

Multivariate and subgroup analysis assessing the association between SWL and incident diabetes in nephrolithiasis patients.

Adjustment SWL HR* 95% CI p Value
  No adjustment 0.98 0.76, 1.26 0.8706
  Age, gender 0.95 0.74, 1.22 0.6685
  Age, gender, baseline obesity 0.92 0.71, 1.18 0.5112
Subgroup
  Male, younger than median of 44 yrs (n=1,473) 1.07 0.63, 1.83 0.8009
  Male, median of 44 yrs or older (n=1,517) 0.81 0.55, 1.19 0.2843
  Female, younger than median of 38 yrs (n=1,174) 1.29 0.66, 2.49 0.4565
  Female, median of 38 yrs or older (n=1,123) 0.92 0.62, 1.52 0.7686
*

SWL HR for the development of diabetes was determined using a Cox Model, with SWL analyzed as a time dependent covariate.