Table 4.

Characterization of the cohort of 56 metastatic prostate cancer samples.

Variable	Number	Gαs positive	Gαs negative	χ 2	P
Gleason score at diagnosis
2–6	4	2	2	15.049	<0.001*
7	15	10	5
8–10	37	5	32
Preoperative PSA (ng/mL)
<35	24	13	11	11.262	<0.001*
≥35	32	4	28

*Significant differences of Gαs expression among different clinical factors groups in metastatic prostate cancer samples.