Table 4. Association of total number of... | American Society of Hematology

Table 4.

Association of total number of copies of factor XIIIA Leu34 and factor XIIIB Arg95 alleles and risk of nonfatal myocardial infarction

No. of factor XIII variant alleles^*	No. of cases	No. of controls	Odds ratio (95% Cl)†	P‡
0	120	329	1.00 (reference)
1	89	265	0.91 (0.67-1.26)	.58
2	25	114	0.58 (0.35-0.94)	.03
3 or 4	0	13	0 (0.00-0.82)	.03

No. of factor XIII variant alleles^*	No. of cases	No. of controls	Odds ratio (95% Cl)†	P‡
0	120	329	1.00 (reference)
1	89	265	0.91 (0.67-1.26)	.58
2	25	114	0.58 (0.35-0.94)	.03
3 or 4	0	13	0 (0.00-0.82)	.03

Total copy number of factor XIIIA Leu34 and factor XIIIB Arg95 alleles.

Odds ratios adjusted for age and race. Cl indicates confidence interval.

P value for trend of odds = .009.