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Table 3b Genotypic and allelic frequencies of ACE I/D polymorphism in SARS patients who had or had not required intensive care (ICU vs non-ICU)

From: Absence of association between angiotensin converting enzyme polymorphism and development of adult respiratory distress syndrome in patients with severe acute respiratory syndrome: a case control study

 

ICU

Non-ICU

 

n = 35

n = 105

Genotypic frequency

DD

3 (9%)

12 (11%)

ID

13 (37%)

52 (50%)

II

19 (54%)

41 (39%)

χ2 value = 2.489, df = 2, p = 0.288

Allelic frequency

D

19 (27%)

76 (36%)

I

51 (73%)

134 (64%)

χ2 value = 1.424, df = 1, p = 0.233