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Table 1 Characteristic distribution in the case and control subjects

From: Association between smoking and chronic kidney disease: a case control study

  Cases (n = 198) Control (n = 371) P value
  n %* n %**  
Gender      0.57
   Male 102 51.5 182 49  
   Female 96 48.5 189 51  
Age (yr)      0.96
   18-24 30 15.2 59 15.9  
   25-34 28 14.1 48 12.9  
   35-44 34 17.2 55 14.8  
   45-54 44 22.2 92 24.7  
   55-64 40 20.2 74 19.9  
   ≥65 22 11.1 43 11.5  
Medications      
   Any HTN medication 91 45.9 149 40.1 0.18
   ACEi 83 41.9 127 34.2 0.07
   ARBs 15 7.6 26 7 0.81
   Beta blockers 72 36.4 105 28.3 0.04
   Analgesic 40 20.2 70 18.9 0.70
BMI      0.14
   Underweight 7 3.5 26 7  
   Normal weight 104 52.5 163 43.9  
   Overweight 56 28.3 115 30.9  
   Obesity 31 15.6 67 18  
HTN 58 29.3 92 24.8 0.25
Diabetes Mellitus 56 28.3 99 26.7 0.68
  1. *Of cases (n = 198). **Of control (n = 371).