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Table 2 Cases and controls according to comorbidities

From: Risk factors for diabetic retinopathy: a case–control study

  Total (260) Diabetic retinopathy CIb† ORb CIAdj‡ ORAdj
Yes (80) No (160)
n n % n %
Hypertension
 Yes 204 71 34.8 133 65.2 1.60 0.71–3.59
 No 36 9 25.0 27 75.0 1  
Dyslipidemia
 Yes 176 66 35.8 112 64.2 1.54 0.81–2.90 1.41 (0.61–3.25)
 No 64 17 26.6 47 73.4 1  
Diabetic nephropathy
 Yes 69 39 56.5 30 43.5 4.12** 2.28–7.44 3.32* (1.62–6.79)
 No 171 41 24.0 130 76.0 1    
  1. ORb: Odds-ratio Brut, ORAdj: adjusted Odds-ratio
  2. p < 0.05; ** p < 0.01 (Pearson’s Chi square test and Wald test)
  3. 95 % of confidence interval Brut; 95 % adjusted confidence interval