Prostate volume and biopsy tumor length are significant predictors for classical and redefined insignificant cancer on prostatectomy specimens in Japanese men with favorable pathologic features on biopsy

Table 3 Preoperative factors associated with unfavorable pathologic results on prostatectomy specimens

Factors	pT-stage			Surgical margin			Gleason score			Index tumor volume
	≤pT2	≥pT3	p-value	neg	posi	p-value	≤6	≥7	p-value	<0.5 mL	≥0.5 mL	p-value	<1.3 mL	≥1.3 mL	p-value
Prostate volume (cc)
≥35.5	81	4	0.0004	79	6	0.0009	61	24	<0.0001	60	25	<0.0001	71	14	<0.0001
<35.5	64	21		62	23		32	53		27	58		46	39
PSA density (ng/ml/cc)
<0.172	78	7	0.0228	78	7	0.0037	58	27	0.0007	56	29	0.0002	69	16	0.0008
≥0.172	67	18		63	22		35	50		31	54		48	37
Tumor length (mm)
≤2.0	107	11	0.0045	102	16	0.0788	76	42	0.0002	74	44	<0.0001	88	30	0.0194
>2.0	38	14		39	13		17	35		13	39		29	23
MRI findings
Positive	99	14	0.2560	99	14	0.0305	69	44	0.0227	68	45	0.0011	83	30	0.0801
Negative	46	11		42	15		24	33		19	38		34	23
Epstein criteria
Yes	63	7	0.1880	65	5	0.0038	48	22	0.0029	49	21	<0.0001	57	13	0.0040
No	82	18		76	24		45	55		38	63		60	40
PRIAS criteria
Yes	91	21	0.1870	90	13	0.0633	65	38	0.0075	64	39	0.0005	79	24	0.0070
No	54	13		51	16		28	39		23	44		38	39

ISSN: 1471-2490