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Table 3 Odds ratio for chronic renal failure by type among regular smokers

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

  N (%*) Ever regular use of cigarettes OR (CI 95%) P
   No
n (%**)
Yes
n (%+)
  
Control 371(65.2) 120(51.7) 251(74.5) 1 Reference -
Glomerulonephritis 90 (15.8) 59(25.4) 31(9.1) 1.09(0.67-1.78) 0.7
Diabetic nephropathy 56 (9.8) 27(11.6) 29(8.6) 2.24(1.27-3.96) 0.005
Hypertension 26 (4.6) 11(4.8) 15(4.5) 2.85(1.27-6.39) 0.011
Unknown and other causes 26 (4.6) 15(6.5) 11(3.3) 1.53(0.68-3.44) 0.2
  1. *Of all subjects (n = 569). **Of never regular smokers (n = 232). +Of ever regular smokers (n = 337). Adjusted by age and gender.