Table 2.

Hardy-Weinberg equilibrium for ACE (I/D) polymorphism in case and control groups according to expected (E) and observed (O) values.

	II	ID	DD	Total	HWE p-value and χ2
CONTROL
E	14.4	47.1	38.4	100	0.85
O	14	48	38	100	0.03
CASE
E	5.6	35.7	56.6	98	0.014
O	10	27	61	98	5.91

Bold values indicate statistical significant.