Table 1

Patient demographics/characteristics, symptoms and cardiac medications based on WHO body mass index categories

Underweight
BMI <18.5
n=56 (1%)
Normal
18.5–24.9
n=1459 (16%)
Overweight
25.0–29.9
n=3135 (35%)
Obese 1
30.0–34.9
n=2463 (28%)
Obese 2
35.0–39.9
n=1170 (13%)
Obese 3
≥40
n=606 (7%)
P value
Age, years*61.2 (8.57)62.7 (8.94)61.3 (8.48)60.3 (7.86)59.1 (7.42)58.5 (6.84)<0.001
Female sex42/56 (75.0)899/1459 (61.6)1499/3135 (47.8)1216/2463 (49.4)655/1170 (56.0)367/606 (60.6)<0.001
Race<0.001
 White49/55 (89.1)1250/1445 (86.5)2655/3111 (85.3)2066/2446 (84.5)973/1154 (84.3)476/603 (78.9)
 Black4/55 (7.3)107/1445 (7.4)272/3111 (8.7)299/2446 (12.2)154/1154 (13.3)112/603 (18.6)
 Asian1/55 (1.8)65/1445 (4.5)118/3111 (3.8)29/2446 (1.2)5/1154 (0.4)2/603 (0.3)
Ethnicity0.063
 Hispanic or Latino3/55 (5.5)82/1446 (5.7)253/3118 (8.1)196/2448 (8.0)85/1163 (7.3)41/605 (6.8)
 Not Hispanic or Latino52/55 (94.5)1364/1446 (94.3)2865/3118 (91.9)2252/2448 (92.0)1078/1163 (92.7)564/605 (93.2)
Cardiac risk factors
 Hypertension31/56 (55.4)698/1459 (47.8)1855/3135 (59.2)1754/2463 (71.2)915/1170 (78.2)506/606 (83.5)<0.001
 Diabetes6/56 (10.7)153/1459 (10.5)417/3135 (13.3)645/2463 (26.2)382/1170 (32.6)281/606 (46.4)<0.001
 Dyslipidaemia27/56 (48.2)894/1459 (61.3)2160/3135 (68.9)1744/2463 (70.8)801/1170 (68.5)391/606 (64.5)<0.001
 Smoker (ever/never)35/56 (62.5)798/1459 (54.7)1581/3134 (50.4)1282/2463 (52.1)565/1170 (48.3)282/606 (46.5)<0.001
 Family history of premature CAD19/55 (34.5)458/1451 (31.6)981/3129 (31.4)765/2455 (31.2)396/1167 (33.9)197/605 (32.6)0.610
 Sedentary lifestyle23/56 (41.1)570/1456 (39.1)1348/3130 (43.1)1247/2459 (50.7)699/1170 (59.7)414/606 (68.3)<0.001
 Metabolic syndrome4/56 (7.1)118/1459 (8.1)430/3135 (13.7)1564/2463 (63.5)806/1170 (68.9)443/606 (73.1)<0.001
Primary presenting symptom
 Chest pain47/56 (83.9)1087/1458 (74.6)2292/3134 (73.1)1801/2461 (73.2)815/1168 (69.8)421/606 (69.5)0.011
 Dyspnoea6/56 (10.7)188/1458 (12.9)441/3134 (14.1)383/2461 (15.6)203/1168 (17.4)117/606 (19.3)<0.001
Medication use
 Aspirin15/55 (27.3)582/1366 (42.6)1302/2981 (43.7)1108/2381 (46.5)526/1135 (46.3)277/589 (47.0)0.006
 Statin15/55 (27.3)546/1366 (40.0)1382/2981 (46.4)1160/2381 (48.7)524/1135 (46.2)275/589 (46.7)<0.001
 Beta-blocker17/55 (30.9)284/1366 (20.8)658/2981 (22.1)645/2381 (27.1)319/1135 (28.1%)188/589 (31.9)<0.001
 ACEi or ARB16/55 (29.1)397/1366 (29.1)1110/2981 (37.2)1183/2381 (49.7)642/1135 (56.6)377/589 (64.0)<0.001
  • Data are n/N (%) except where indicated.

  • *Mean (SD).

  • ACEi, angiotensin-converting enzyme inhibitor; ARB, angiotensin receptor blocker; BMI, body mass index; CAD, coronary artery disease.