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Table 2 Genotype and allele frequencies of the ACE polymorphism in AD patients and controls

From: Association between an angiotensin-converting enzyme gene polymorphism and Alzheimer’s disease in a Tunisian population

ACE I/D Patients N = 60 Controls N = 120 χ 2 OR [CI 95%] p value
n (%) n (%)
II 5 (8.33) 23 (19.17) 3.57 .38 (.13–1.06) .06
ID 24 (40.00) 59 (49.17) 1.35 .69 (.37–1.28) .24
DD 31 (51.67) 38 (31.67) 6.7 2.32 (1.21–4.34) .008
I 34 (28.33) 105 (43.75) 8.02 .5 (.30–.80) .003
D 86 (71.67) 135 (56.25) 2 (1.25–3.33)
  1. CI confidence interval, OR odds ratio, p value probability value
  2. Significant p values are in italics