Table 3.

Association between magnetic resonance imaging and biopsy results

Positive MR sequences		Biopsy upgrade
		No	Yes
0		18 (72.0)	7 (28.0)
1		9 (40.9)	13 (58.1)
2		2 (40.0)	3 (60.0)
3		2 (16.7)	10 (83.3)
	HR	P	95% CI
	2.49	<0.001	1.72–3.62
Univariate analyses
T2	3.1	<0.001	1.8–5.2
ADC	5.2	<0.001	2.8–9.9
MRSI	2.3	0.01	1.2–4.2
Multivariate analysis
T2	2.5	0.003	1.4–4.5
ADC	2.8	0.003	1.1–6.7
MRSI	1.2	0.59	0.6–2.7

Numbers in parenthesis are percentages

MR magnetic resonance, HR hazard ratio, P P value, CI confidence interval, T2 T2-weighted magnetic resonance imaging, DWI diffusion-weighted magnetic resonance imaging, MRSI magnetic resonance spectroscopic imaging