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. 2011 May 6;9(1):35–39. doi: 10.1016/j.aju.2011.03.010

Table 3.

Univariate analysis for continuous variables predicting failure of in situ ESWL for DUC.

Variable Outcome N Mean (SD) P
Stone length (mm) Failure 16 10.69 (2.52) 0.010
Success 84 9.00 (2.31)



Stone width (mm) Failure 16 6.63 (2.09) 0.008
Success 84 5.30 (1.73)



Age (years) Failure 16 38.5 (19.9) 0.362
Success 84 33.63 (14.14)



Symptom duration (days) Failure 16 17.06 (7.47) 0.580
Success 84 18.64 (10.89)