Clinical care outcomes by symptoms and ethnicity
| White | South Asian | Chinese | |||||||
| Typical (n=482) | Atypical (n=148) | P value | Typical (n=394) | Atypical (n=94) | P value | Typical (n=172) | Atypical (n=44) | P value | |
| Any midsternal pain/discomfort | n=451 | n=116 | n=359 | n=71 | n=144 | n=32 | |||
| Time to ER presentation (hours; if distinct time of onset) Mean (SD) | 6.43 (5.77) | 6.11 (5.53) | 0.591 | 5.69 (5.35) | 7.17 (5.94) | 0.037 | 5.92 (5.49) | 7.41 (6.10) | 0.176 |
| Median (IQR) | 3.0 (6.5) | 3.0 (6.0) | 0.872 | 3.0 (6.0) | 5.0 (6.5) | 0.127 | 3.0 (6.0) | 6.0 (6.5) | 0.318 |
| Time to CATH (hours) Mean (SD) | 3.35 (1.76) | 3.93 (1.57) | 0.001 | 3.10 (1.80) | 3.10 (1.72) | 0.975 | 3.09 (1.82) | 3.58 (1.72) | 0.134 |
| Median (IQR) | 4.0 (2.0) | 5.0 (1.0) | 0.002 | 3.0 (2.0) | 2.0 (2.0) | 0.862 | 3.0 (2.0) | 5.0 (1.5) | 0.109 |
| n (%) | n (%) | n (%) | n (%) | N (%) | n (%) | ||||
| CATH | 402 (83.4%) | 124 (83.8%) | 0.913 | 359 (91.1%) | 81 (86.2%) | 0.148 | 151 (87.8%) | 38 (86.4%) | 0.826 |
| PCI | 228 (47.3%) | 60 (40.5%) | 0.149 | 211 (53.6%) | 36 (38.3%) | 0.008 | 81 (47.1%) | 19 (43.2%) | 0.777 |
| CABG | 44 (9.1%) | 17 (11.5%) | 0.396 | 38 (9.6%) | 16 (17.0%) | 0.041 | 13 (7.6%) | 5 (11.4%) | 0.636 |
| Any midsternal with left neck, shoulder, or arm pain/discomfort | n=330 | n=237 | n=234 | n=196 | n=68 | n=108 | |||
| Time to ER presentation (hours; if distinct time of onset) Mean (SD) | 6.41 (5.82) | 6.31 (5.57) | 0.836 | 5.53 (5.35) | 6.42 (5.60) | 0.092 | 6.0 (5.65) | 6.31 (5.62) | 0.726 |
| Median (IQR) | 3.0 (6.5) | 3.0 (3.0) | 0.926 | 2.0 (6.0) | 3.0 (6.5) | 0.037 | 3.0 (6.0) | 3.0 (6.0) | 0.649 |
| Time to CATH (hours) Mean (SD) | 3.40 (1.76) | 3.61 (1.68) | 0.154 | 3.0 (1.77) | 3.2 (1.79) | 0.241 | 3.28 (1.81) | 3.14 (1.81) | 0.615 |
| Median (IQR) | 4.0 (2.0) | 5.0 (1.5) | 0.192 | 3.0 (2.0) | 3.0 (2.0) | 0.202 | 4.0 (2.0) | 3.0 (2.0) | 0.635 |
| n (%) | n (%) | n (%) | n (%) | n (%) | n (%) | ||||
| CATH | 306 (86.0%) | 220 (80.3%) | 0.058 | 235 (91.1%) | 205 (89.1%) | 0.469 | 65 (82.3%) | 124 (90.5%) | 0.126 |
| PCI | 172 (48.3%) | 116 (42.3%) | 0.135 | 143 (55.4%) | 104 (45.2%) | 0.024 | 41 (51.9%) | 59 (43.1%) | 0.361 |
| CABG | 33 (9.3%) | 28 (10.2%) | 0.690 | 30 (11.6%) | 24 (10.4%) | 0.675 | 4 (5.1%) | 14 (10.2%) | 0.307 |
CABG, coronary artery bypass graft surgery; CATH, catheterisation; ER, emergency room; PCI, percutaneous coronary intervention.