Table 2.

Frequencies of genotypes and alleles of polymorphism in LT-α (+252 A/G).

	Controls	Chronic periodontal disease
Genotypes	(P = 0.0059)
LT-α GG	1 (2%)	13 (16%)
LT-α AG	17 (39%)	43 (52.5%)
LT-α AA	26 (59%)	26 (31.5%)
Allele frequencies	Odds ratio = 2.67, (P = 0.0019)
Allele G (1)	0.22	0.42
Allele A (2)	0.78	0.58