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Table 2 Incidence of stroke according to sex

From: Sex difference in the incidence of stroke and its corresponding influence factors: results from a follow-up 8.4 years of rural China hypertensive prospective cohort study

PatientsMenWomen
Person-years of follow-up17,42823,132
All stroke
 Number288213
 Incident rate per 100,000 person-years (95% CI)1652.51 (1463.24–1841.80)920.80 (797.71–1043.90)
 Sex-adjusted HR (95% CI)1.00(Referent)0.55 (0.46–0.66)
 Multivariable-adjusted a HR (95% CI)1.00(Referent)0.44 (0.35–0.55)
Ischemic stroke
 Number188122
 Incident rate per 100,000 person-years (95% CI)1078.72 (925.36–1232.10)527.41 (434.07–620.70)
 Sex-adjusted HR (95% CI)1.00(Referent)0.48 (0.38–0.61)
 Multivariable-adjusted a HR (95% CI)1.00(Referent)0.43 (0.32–0.57)
Hemorrhagic stroke
 Number9987
 Incident rate per 100,000 person-years (95% CI)568.05 (984.10–1299.60)367.10 (297.22–455.00)
 Sex-adjusted HR (95% CI)1.00(Referent)0.64 (0.48–0.86)
 Multivariable-adjusted a HR (95% CI)1.00(Referent)0.41 (0.28–0.58)
  1. a: adjusted variables including age, SBP, BMI, LDL-C levels, current smoking, current drinking, antihypertensive drugs, education and physical activity
  2. LDL-C: Low-density lipoprotein cholesterol. BMI: Body mass index. SBP: Systolic blood pressure
  3. Education degree: Illiteracy and primary school, Junior high school and High school and above
  4. Physical activity: Low, Moderate and high