Results of meta-analysis comparison of ART and SRT.

<p>ART = adjuvant radiotherapy; SRT = salvage radiotherapy; BFFS: Biochemical Failure-Free Survival; DFS: disease-free survival; OS: overall survival; MFS: Metastasis-free survival HR: hazard ratio; RR: risk ratio; df = degrees of freedom; CI = confidence interval; ¶: Included studies applied HR; : Included studies applied RR.</p

Forest plot for Survival Rate: Disease-free Survival (DFS); overall survival (OS).

<p>Forest plot for Survival Rate: Disease-free Survival (DFS); overall survival (OS).</p

Flow diagram of studies identified, included and excluded.

<p>Flow diagram of studies identified, included and excluded.</p

Forest plot for Biochemical Failure-Free Survival (BFFS): 5-years BFFS.

<p>ART: adjuvant radiotherapy; SRT: salvage radiotherapy.</p

Subgroup Analysis for Survival Rate.

<p>BFFS: Biochemical Failure -Free Survival; DFS: disease-free survival; OS: overall survival.</p

Funnel plots of studies included in the meta-analysis: A) 5-year BFFS; B) Survival Rate (DFS; OS).

<p>Funnel plots of studies included in the meta-analysis: A) 5-year BFFS; B) Survival Rate (DFS; OS).</p

Forest plot for Biochemical Failure-Free Survival (BFFS): 3-years BFFS.

<p>Forest plot for Biochemical Failure-Free Survival (BFFS): 3-years BFFS.</p

Study characteristics.

<p>ART = adjuvant radiotherapy; SRT = salvage radiotherapy; RET = retrospective.</p

Scatter plots of 5-year biochemical failure-free survival (BFFS) against median salvage radiotherapy (SRT) dose, median PSA before SRT group (ng/ml) and median preoperative PSA of SRT group (ng/ml).

<p>(Dotted lines represent results of simple linear regression).</p