Table 5. Pooled estimates of Mortality analyses in subgroups.

Sources	No. of studies	Pooled estimates		Tests of heterogeneity		Tests of publication bias
		HR	95%CI	I2(%)	p-val.	Begg’s p-val.	Egger’s p-val.
PCa-specific mortality	8	0.68	0.56–0.80	77.2	<0.001	0.386	0.063
Exclude Serruys et al.	7	0.68	0.55–0.80	80.5	<0.001	0.072	0.018
Age
Adjusted	5	0.64	0.48–0.79	87.0	<0.001	0.086	0.004
Not adjusted	2	0.78	0.60–0.97	0.0	0.908	–	–
BMI
Adjusted	2	0.62	0.32–0.92	84.8	0.010	–	–
Not adjusted	5	0.68	0.50–0.85	82.0	<0.001	0.806	0.258
PSA
Adjusted	3	0.61	0.35–0.86	89.4	<0.001	1.000	0.077
Not adjusted	4	0.70	0.51–0.89	70.9	0.016	0.734	0.445
BMI & Age
Adjusted	2	0.62	0.32–0.92	84.8	0.010	–	–
Not adjusted	5	0.68	0.50–0.85	82.0	<0.001	0.806	0.258
BMI or PSA or Age
Adjusted	5	0.64	0.48–0.79	87.0	<0.001	0.086	0.004
Not adjusted	2	0.78	0.60–0.97	0.0	0.908	–	–

Note: HR, Hazard ratio; 95%CI, 95% confidence intervals; PCa, prostate cancer; PSA, prostate-specific antigen.