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Table 1 Baseline Characteristics among men of African Descent from the US & Jamaica

From: Chemokine Ligand 5 (CCL5) and chemokine receptor (CCR5) genetic variants and prostate cancer risk among men of African Descent:a case-control study

Characteristics Cases Controls p value
Number of Participants, n 279 535 ---
Age at enrollment (yrs), Median (range) 67 (45–91) 53 (27–89) <0.0001
Family History of Prostate Cancer, n (%)    
 Yes 35 (16.1) 21 (12.5) 0.316
 No 182 (83.9) 147 (87.5)  
 Missing 62 (22.2) 367 (68.6)  
PSA (ng/ml), median 11.7 (0.01-10,000) 0.9 (0.0-4.0) <0.0001
PSA (ng/ml), n (%)    
 < 4 37 (13.8) 517 (99.8) <0.0001
 ≥ 4 231 (86.2) 1 (0.2)  
 Missing 11 (0.04) 17 (0.03)  
Gleason Score, n (%)    
 4 12 (5.6)   
 5 14 (6.5)   
 6 74 (34.2)   
 7 70 (32.4)   
 8 18 (8.3)   
 9 22 (10.2)   
 10 6 (2.8)   
 Missing 63 (22.6)   
Global WAA, mean (SD) 0.79 (0.25-0.94) 0.767 (0.25-0.95) 0.107
  1. Abbreviations: PSA, prostate specific antigen; WAA, West African Ancestry; Differences in family history or PSA frequencies between cases and controls were tested by a Chi-square test of homogeneity; differences in median age (yrs) and Global West African Ancestry between cases and controls were tested using the Wilcoxon sum Rank test.