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Table 1 Characteristics of VA Men Cases and Controls

From: Antibiotic and anti-inflammatory use and the risk of prostate cancer

  Cases
(n = 65)
Controls
(n = 195)
p value †
Current age    
   ≤ 55 2 (3.1%)* 6 (3.1%) 0.98
   55–65 7 (10.8%) 21 (10.8%)  
   65–75 17 (26.2%) 51 (26.2%)  
   75–85 27 (41.5%) 81 (41.5%)  
   85–95 11 (16.9%) 33 (16.9%)  
   > 95 1 (1.5%) 3 (1.5%)  
Race    
   Asian or Pacific Islander 3 (4.6%) 9 (4.6%) 1
   Black 17 (26.2%) 51 (26.2%)  
   Latino or Hispanic 2 (3.1%) 6 (3.1%)  
   White 28 (43.1%) 84 (43.1%)  
   Unknown 15 (23.1%) 45 (23.1%)  
Number of visits    
   ≤ 50 7 (10.8%) 44 (22.6%) 0.01
   50–100 18 (27.7%) 63 (32.3%)  
   100–150 20 (30.8%) 48 (24.6%)  
   > 150 20 (30.8%) 40 (20.5%)  
Years of enrollment    
   ≤ 10 12 (18.5%) 23 (11.8%) 0.25
   10–15 16 (24.6%) 55 (28.2%)  
   15–20 11 (16.9%) 46 (23.6%)  
   > 20 26 (40.0%) 71 (36.4%)  
History of prostatitis 1 (1.54%) 8 (4.1%) 0.46
History of BPH 41 (63.1%) 114 (58.5%) 0.56
Elevated PSA (>4.0) 21 (32.3%) 27 (13.9%) <0.05
History of UTI 57 (87.7%) 151 (77.4%) 0.08
  1. † The comparisons for current age, number of visits, and year of enrollment use the Wilcoxon rank sum test; all other comparisons use Fisher's exact test.
  2. * n (%), number in parentheses are a percentage.