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Table 1 Demographic and pre-procedure clinical characteristics

From: Outcomes following percutaneous coronary revascularization among South Asian and Chinese Canadians

Variablea All Ethnicity p-value
SA (n = 3904) Chinese (n = 1345) Other (n = 36,543)
Male 30047 (71.9) 2741 (70.2) 1018 (75.7) 26288 (71.9) <0.001
Age 64 (56, 73) 62 (53.5, 71) 65 (56, 74) 64 (56, 74) <0.001
BMI, kg/m2 27.3 (24.6, 30.5) 26.2 (23.9, 29.1) 24.5 (22.4, 26.7) 27.5 (24.9, 30.8) <0.001
Elective 9534 (22.9) 900 (23.1) 362 (27.1) 8272 (22.7) <0.001
Indication
 ACS
 Stable angina
 Other
30115 (72.3)
9877 (23.7)
1662 (4.0)
2780 (71.4)
976 (25.1)
140 (3.6)
866 (64.5)
416 (31.0)
60 (4.5)
26469 (72.7)
8485 (23.3)
1462 (4.0)
<0.001
Medications within 24 h prior to procedure
 ASA
 ACE-I
 Statins
38030 (91.0)
20294 (48.6)
24910 (59.6)
3543 (90.8)
1735 (44.4)
2306 (59.1)
1156 (85.9)
524 (39)
751 (55.8)
33331 (91.2)
18035 (49.4)
21853 (59.8)
<0.001
<0.001
0.011
Congestive heart failure 2320 (5.6) 232 (5.9) 84 (6.3) 2004 (5.5) 0.260
Prior MI 7094 (17) 580 (14.9) 169 (12.6) 6345 (17.4) <0.001
HTN 23744 (56.8) 2310 (59.2) 892 (66.3) 20542 (56.2) <0.001
Dyslipidemia 22346 (53.5) 2281 (58.4) 751 (55.8) 19314 (52.9) <0.001
CBVD 2762 (6.6) 203 (5.2) 85 (6.3) 2474 (6.8) 0.01
Diabetes Mellitus 8817 (21.1) 1204 (30.8) 353 (26.2) 7260 (19.9) <0.001
Dialysis 520 (1.2) 56 (1.4) 28 (2.1) 43 (1.2) 0.008
LVEF
 > 50%
 30–50%
 < 30%
 Not entered
20570 (49.2)
15893 (38.0)
1065 (2.6)
4264 (10.2)
2128 (54.5)
1285 (32.9)
129 (3.3)
362 (9.3)
715 (53.2)
429 (31.9)
36 (2.6)
165 (12.3)
17727 (48.5)
14179 (38.8)
900 (2.5)
3737 (10.2)
<0.001
Smoking status
 Current 9149 (21.9) 445 (11.4) 185 (13.8) 8519 (23.3) <0.001
 Former 15926 (38.1) 546 (14) 357 (26.5) 15023 (41.1)  
 Never 16717 (40) 2913 (74.6) 803 (9.7) 13001 (35.6)  
PVD 2847 (6.8) 120 (3.1) 46 (3.4) 2681 (7.3) <0.001
Pulmonary disease 4190 (10) 304 (7.8) 82 (6.1) 3804 (10.4) <.0001
Liver-GI 3492 (8.4) 305 (7.8) 105 (7.8) 3082 (8.4) 0.3126
Malignancy 2898 (6.9) 126 (3.2) 63 (4.7) 2709 (7.4) <.0001
3-vessel or left main disease 9445 (22.7) 1009 (26.1) 356 (26.7) 8080 (22.4) <0.001
  1. SA South Asian, BMI body mass index, ACS acute coronary syndrome, MI myocardial infarction, HTN hypertension, CBVD cerebrovascular disease, LVEF left ventricular ejection fraction, PVD peripheral vascular disease, GI gastrointestinal
  2. aFor age and BMI, median and interquartile ranges are reported; for other variables frequency and percentages are reported