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Table 1 Characteristics of Chinese, South Asian and White patients who underwent percutaneous coronary intervention

From: Outcomes following percutaneous coronary intervention and coronary artery bypass grafting surgery in Chinese, South Asian and white patients with acute myocardial infarction: administrative data analysis

Characteristics

Chinese

South Asian

White

p

N = 4729

n = 139

n = 371

n = 4219

 

Female

35 (25.2)

74 (20.0)

1153 (27.3)

0.008

Age (years)

   

< 0.0001

< 50

18 (12.9)

70 (18.9)

593 (14.1)

 

50 − 64

42 (30.2)

164 (44.2)

1587 (37.6)

 

65 − 74

54 (38.9)

88 (23.7)

1152 (27.3)

 

> 75

25 (18.0)

49 (13.2)

887 (21.0)

 

Distance to nearest hospital ≥ 50 km

5 (3.6)

42 (11.3)

1306 (31.0)

< 0.0001

Income quintile*

   

< 0.0001

1 (low)

39 (28.3)

85 (23.22)

902 (22.5)

 

2

34 (24.6)

106 (29.0)

830 (20.7)

 

3

25 (18.1)

85 (23.2)

771 (19.3)

 

4

15 (10.9)

52 (14.2)

774 (19.4)

 

5 (high)

25 (18.1)

38 (10.4)

724 (18.1)

 

Diabetes mellitus

26 (18.7)

92 (24.8)

641 (15.2)

< 0.0001

Heart failure

18 (13.0)

30 (8.1)

330 (7.8)

0.09

Hypertension

52 (37.4)

92 (24.8)

1041 (24.7)

0.003

Cerebrovascular disease

5 (3.6)

0 (0.0)

43 (1.0)

0.0015

Renal disease

5 (3.6)

5 (1.4)

63 (1.5)

0.13

Cardiogenic shock

3 (2.2)

4 (1.1)

44 (1.0)

0.46

Cardiac dysrhythmia

18 (13.0)

24 (6.5)

431 (10.2)

0.04

Severity of coronary disease†

   

0.6

Single-vessel

51 (37.8)

135 (37.1)

1481 (36.2)

 

2-vessel

39 (28.9)

119 (32.7)

1341 (32.8)

 

3-vessel

38 (28.1)

98 (26.9)

1126 (27.5)

 

Left main

7 (5.2)

9 (2.5)

130 (3.2)

 

Normal

0 (0)

3 (0.8)

12 (0.3)

 
  1. Variables presented as n (%); Analyses: comparing categories across ethnic groups using a Chi-square test (2-df). *Data are missing for 224 patients (Chinese 0.7%, South Asians 1.3%, and White 5.2%). Data are missing for 140 patients (Chinese 2.9%, South Asians 1.9%, White 3.1%).