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. Author manuscript; available in PMC: 2016 Apr 25.
Published in final edited form as: Urology. 2013 Aug 16;82(4):780–785. doi: 10.1016/j.urology.2013.06.030

Table 2.

Association between log dose rate with patient size metrics in univariate analyses*

Patient Size Metrics n Correlation
Coefficient (R)		 P Value
AP midline distance 100 0.56 <.001
AP transrenal distance 100 0.57 <.001
BMI (continuous) 100 0.52 <.001
BMI (categorical)
  <25 kg/m2 24 ref
  25 to <30 kg/m2 30 .030
  30 to <35 kg/m2 23 <.001
  ≥35 kg/m2 23 <.001
CT scout ROI 78 0.65 <.001

Abbreviations as in Table 1.

*

Multivariate regression adjusting for laterality and stone location for patient size metric modeled separately did not appreciably alter the associations observed (all P <.001, except BMI category 25 to <30 kg/m2 P = .011).