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