Table 3.

Relative risks and 95% confidence intervals of myocardial infarction stratified by percentage of male participants

Male (%)	Non-fatal MI	p*	Fatal MI	p*	Both fatal and non-fatal MI	p*
0–66	0.87 (0.71–1.06)	0.26	0.87 (0.65–1.17)	0.86	0.86 (0.79–0.95)	0.52
70–89	0.72 (0.61–0.86)	0.23	0.91 (0.75–1.11)	0.24	0.82 (0.71–0.95)	0.13
100	0.62 (0.54–0.71)	0.48	0.55 (0.20–1.53)	0.01	0.63 (0.46–0.85)	0.02
Total	0.72 (0.64–0.81)	0.03	0.88 (0.75–1.03)	0.19	0.79 (0.72–0.87)	< 0.05

MI, myocardial infarction.

*Test for heterogeneity, p value is from χ² test. Ransom effects model was used in all combinations.