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Table 1 Basic characteristics of the study population

From: Gout and subsequent erectile dysfunction: a population-based cohort study from England

Variable Controls N = 38,218 Gout cases N = 9653 p value*
N % N %
Age in years
  ≤ 34 2774 7.3 712 7.4 0.800
 35–44 8900 23.3 2206 22.9  
 45–54 12,887 33.7 3256 33.7
 55–64 13,649 35.7 3479 36.0
Never/ex-smokers 30,010 78.5 8210 85.1 <0.001
Current smoker 8200 21.5 1443 14.9  
Never/ex-drinkers 10,703 28.0 1578 16.3 <0.001
Current drinkers (1–9 units/week) 15,420 40.4 3381 35.0  
Current drinkers (≥10 units/week) 12,087 31.6 4694 48.6
Body mass index
 Normal 10203 26.7 1376 14.3 <0.001
 Underweight 332 0.9 42 0.4  
 Overweight 13,224 34.6 3753 38.9
 Obese 6952 18.2 3598 37.3
 Missing 7499 19.6 884 9.2
Comorbidities
 Ischemic heart disease 2893 7.6 1180 12.2 <0.001
 Diabetes 3084 8.1 1470 15.2 <0.001
 Hypertension 8210 21.5 4191 43.4 <0.001
 Chronic renal disease 1026 2.7 802 8.3 <0.001
 Depression 6242 16.3 1894 19.6 <0.001
  1. *Chi-squared test