Table 4. Hazard ratio and 95% CI of risk of ischemic stroke by intake of saturated fat for race, sex, BMI, mean saturated fat intake, and follow-up duration.

Outcome	Studies (n)	HR	95% CI		P value	I-squared
Ischemic stroke	11	0.89	0.82	0.96	0.004	38.9
Race
Japanese	4	0.82	0.71	0.93	0.003	19.0
Non-Japanese	7	0.93	0.84	1.03	0.172	41.7
Sex
Women	4	1.04	0.90	1.21	0.586	5.0
Men	3	0.85	0.74	0.97	0.018	35.9
Mixed	4 (all Japanese)	0.82	0.71	0.93	0.003	19.0
BMI
< 24	4 (all Japanese)	0.82	0.71	0.93	0.003	19.0
≥ 24	7	0.93	0.84	1.03	0.172	41.7
Mean saturated fat intake
< 25 g/d	8 (4 Japanese)	0.92	0.83	1.02	0.111	43.3
≥ 25 g/d	3	0.85	0.75	0.96	0.010	36.2
Follow-up duration
< 14 years	5 (1 Japanese)	0.96	0.86	1.07	0.441	27.2
≥ 14 years	6 (3 Japanese)	0.79	0.70	0.90	0.000	11.2

BMI, body mass index; CI, confidence interval; HR, hazard ratio