Table 6.

Marginal degrees of necessity and sufficiency and explained variation of prognostic factors for tumor penetration of prostatic capsule

Prognostic factors	EV	DN 1	DS 1	DN 2	DS 2
Age	<0.01	0.05	0.04	0.04	0.03
Digital rectal exam	0.09	0.49	0.20	0.49	0.12
PSA	0.12	0.23	0.46	0.21	0.34
Tumor volume	0.01	0.16	0.08	0.12	0.07
Gleason score	0.23	0.51	0.44	0.47	0.39
Race	<0.01	0.03	<0.01	0.03	<0.01
Capsular involvement	0.06	0.10	0.58	0.10	0.58
Full model	0.30	0.56	0.52	0.50	0.43