Table 2. RasGRP3 immunohistochemical staining results.

Parameters	RasGRP3-positive group	RasGRP3-negative group	P-value
Patient (n)	53	64
Serum PSA level (ng ml−1)
<10	25	29
⩾10	28	35	0.841a
Gleason score
⩽6	18	34
⩾7	35	30	0.038a
T stage
T1–T2	35	54
T3–T4	18	10	0.021a
Lymph node
(−)	37	51
(+)	16	23	0.914a
Surgical margin status
(−)	34	44
(+)	19	20	0.858a

Abbreviation: RasGRP3, guanyl nucleotide-releasing protein for Ras 3.

^aCalculated by Pearson's χ² test.