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. 2017 Oct 3;117(11):1656–1664. doi: 10.1038/bjc.2017.346

Table 1. Clinical and pathological characteristics of included patients from the pooled cohort.

  No recurrence (%) Recurrence (%) P-value
N 60 50  
Follow-up      
 Median (IQR), d 2366 (455) 900 (1148)  
Age      
 Mean±s.d. (years) 61.7±6 62.5±5 0.42a
Preoperative PSA      
 Mean±s.d. (ng ml−1) 9.4±5.8 10.3±5.1 0.44a
Grade group (RP)      
 1 4 (7) 5 (10) <0.001b
 2 39 (65) 14 (28)  
 3 15 (25) 17 (34)  
 4 2 (3) 7 (14)  
 5 0 (0) 7 (14)  
EPE 9 (15) 31 (62) <0.001b
SVI 4 (7) 12 (24) 0.014b
PSM 15 (25) 21 (42) 0.12b
PCa-specific death 0 3 (6)  

Abbreviations: EPE=extraprostatic extension; IQR=interquartile range; PCa=prostate cancer; PSA=prostate-specific antigen; PSM=positive surgical margins; RP=radical prostatectomy; SVI=seminal vesicle invasion.

a

Student’s t-test.

b

Exact Mantel–Haenszel linear-by-linear association χ2 test.