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. Author manuscript; available in PMC: 2009 Apr 2.
Published in final edited form as: J Urol. 2007 Dec 21;179(2):556–560. doi: 10.1016/j.juro.2007.09.088

Table 5.

Generalized Estimating Equations Models of CPSI and Pain Subscore vs. Time (12 months vs. Baseline) and Presence of Tenderness (None vs. Any)

CPSI Index
Pain Subscore
No Tenderness Vs. Any Estimate p-value Estimate p-value
Intercept (value at baseline) 23.75 <0.0001 11.13 <0.0001
Tenderness - None vs. Any (1 vs. 0) −2.63 0.0022 −1.39 0.0022
Time - 12 mo. vs. Baseline(1:0) −3.92 <0.0001 −1.66 <0.0001
Tenderness * Time 0.2448 0.809 0.02 0.9709