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Table 3 Age-adjusted incidence rates and rate ratios of hospitalized stroke stratified by gender for Asians/Pacific Islanders and non-Hispanic whites by stroke subtype and US region.*

From: Regional variation in hospitalization for stroke among Asians/Pacific Islanders in the United States: a nationwide retrospective cohort study

 

Incidence Rate per 100,000 (95% CI)

Incidence Rate Ratio (95% CI)

 

Asians/Pacific Islanders

Non-Hispanic Whites

  
 

Female

Male

Female

Male

Female

Male

Ischemic Stroke

      

   National

111 (102–120)

106 (98–114)

151 (149–153)

131 (129–133)

0.74 (0.72–0.76)

0.81 (0.78–0.83)

   Northeast

72 (50–94)

63 (46–80)

187 (183–191)

162 (158–166)

0.39 (0.36–0.41)

0.39 (0.36–0.42)

   Midwest

36 (14–58)

35 (18–52)

116 (113–119)

98 (95–101)

0.31 (0.27–0.36)

0.36 (0.31–0.41)

   South

79 (55–104)

84 (62–106)

171 (168–170)

158 (155–161)

0.46 (0.43–0.49)

0.53 (0.50–0.57)

   West

120 (109–131)

118 (108–128)

128 (125–131)

101 (98–104)

0.94 (0.91–0.98)

1.16 (1.12–1.21)

Heterogeneity

p < 0.001

p < 0.001

p < 0.001

p < 0.001

  

SAH

      

   National

12 (9–15)

6 (4–8)

8 (7.6–8.4)

5 (4.7–5.3)

1.53 (1.41–1.65)

1.13 (1.00–1.27)

   Northeast

5 (0–10)

8 (3–13)

9 (7–10)

6 (5–7)

0.56 (0.41–0.74)

1.31 (1.05–1.63)

   Midwest

1 (0–2)

2 (0–5)

7 (6–8)

4 (3–5)

0.09 (0.02–0.23)

0.63 (0.34–1.07)

   South

2 (0–4)

1 (0–2)

8 (7–9)

5 (4–6)

0.28 (0.18–0.42)

0.12 (0.04–0.26)

   West

16 (12–20)

6 (4–8)

8 (7–9)

5 (4–6)

1.92 (1.73–2.14)

1.34 (1.12–1.60)

Heterogeneity

p < 0.001

p = 0.008

p = 0.079

p < 0.001

  

ICH

      

   National

25 (21–29)

30 (26–34)

20 (19–21)

19 (18–20)

1.29 (1.22–1.36)

1.58 (1.50–1.67)

   Northeast

21 (11–25)

19 (11–27)

25 (24–26)

24 (23–25)

0.86 (0.75–0.98)

0.77 (0.66–0.88)

   Midwest

8 (0–18)

12 (2–22)

16 (15–17)

14 (13–15)

0.53 (0.40–0.70)

0.87 (0.68–1.11)

   South

20 (10–30)

25 (13–37)

22 (21–23)

21 (20–22)

0.94 (0.82–1.08)

1.21 (1.06–1.38)

   West

27 (22–32)

35 (30–40)

19 (18–20)

17 (16–18)

1.42 (1.31–1.54)

2.02 (1.87–2.18)

Heterogeneity

p = 0.039

p = 0.001

p < 0.001

p < 0.001

  
  1. * SAH = subarachnoid hemorrhage, ICH = intracerebral hemorrhage. Incidence rate ratio is for Asians/Pacific Islanders vs. non-Hispanic whites. Variances for adjusted rates were calculated and regional heterogeneity was tested using ANOVA.