Elevated levels of Dickkopf-related protein 3 in seminal plasma of prostate cancer patients

Table 2 Multivariate logistic regression analyses to asses the predictive value in prostate cancer detection.

Cohort	Variable	β-coefficient	OR	95% CI	p-value	Predictive accuracy %	H-L p-value
all patients	model A				0.007	64.2	0.979
	serum PSA	0.071	1.074	0.997 - 1.157	0.06
	SP Dkk-3	0.008	1.008	1.000 - 1.016	0.039
	model B				0.007	69.1	0.737
	serum PSA	0.07	1.072	0.996 - 1.002	0.063
	SP Dkk-3	0.01	1.010	1.002 - 1.018	0.019
	SP PSA	0.017	1.018	0.995 - 1.041	0.13
clinical follow-up > 3 yr	model A				0.005	73.9	0.691
	serum PSA	0.071	1.074	0.992 - 1.164	0.08
	SP Dkk-3	0.014	1.015	1.002 - 1.027	0.02
	model B				0.007	73.9	0.806
	serum PSA	0.069	1.072	0.991 - 1.159	0.083
	SP Dkk-3	0.016	1.016	1.004 - 1.029	0.012
	SP PSA	0.018	1.018	0.988 - 1.049	0.238

OR, odds ration; CI, confidence intervall; H-L, Hosmer-Lemeshow test; PSA, prostate-specific antigen; SP, seminal plasma.

ISSN: 1479-5876