Skip to main content
. Author manuscript; available in PMC: 2013 Oct 1.
Published in final edited form as: Clin Cancer Res. 2012 Sep 24;18(19):5471–5478. doi: 10.1158/1078-0432.CCR-12-1502

Table 1.

Logistic regression model of biopsy upgrading for active surveillance patients who were diagnosed after 1995 and underwent treatment (n=237).

Covariate Coefficient Odds ratio Standard error P-value
Intercept −7.91 0.00 1.99 < 0.001
Age at diagnosis 0.10 1.11 0.03 < 0.001
PSA at diagnosis 0.01 1.01 0.05 0.821
Time to treatment (years) 0.21 1.23 0.08 0.008
Annual change of PSA 0.06 1.06 0.07 0.372