Table 2. Group plasma sMet medians, ranges, 95% confidence intervals and comparison to normals (shaded) by Wilcoxon Signed Rank Test.

Group	Plasma sMet (ng/ml)		Median 95% Confidence Interval			Wilcoxon Signed Rank Test
	Median	Range	Actual % Confidence	Lower limit	Upper limit	W1	P value3
Healthy Volunteer	98	45–471	97	90	106
Benign	300	45–3341	97	249	367	5735	< 0.0001
Malignant	239	36–3839	96	221	278	26191	< 0.0001
Prostatectomy Specimen	224	36–3034	96	199	253	7720	< 0.0001
Gleason 6	272	69–577	98	177	372	249	< 0.0001
Gleason 7	208	36–951	97	171	259	2249	< 0.0001
Gleason 8	224	42–534	97	179	323	201	0.0001
Gleason 9–10	257	58–425	98	107	426	120	0.0008
Organ confined	222	36–737	96	180	260	4133	< 0.0001
Local invasion2	239	44–3034	96	199	323	415	< 0.0001
Metastatic	189	58–633	98	58	633	22	0.0781

¹Sum of signed ranks

²Includes regional lymph node involvement

³Two-tailed