Table 1 Characteristics of study subjects, by period
Characteristic | All Years 2005–2016 (N = 921)a n (%) | Before 2005–2007 (N = 249)a n (%) | During 2008–2013 (N = 372)a n (%) | After 2014–2016 (N = 300)a n (%) |
|---|---|---|---|---|
Age, years | ||||
Missing b | 4 (0) | 2(1) | 2(1) | 0(0) |
< 50 | 171 (19) | 36 (15) | 75 (20) | 60 (20) |
50–59 | 224 (24) | 50 (20) | 99 (27) | 75 (25) |
60–69 | 245 (27) | 59 (24) | 100 (27) | 86 (29) |
70–79 | 157 (17) | 52 (21) | 56 (15) | 49 (16) |
≥ 80 | 120 (13) | 50 (20) | 40 (11) | 30 (10) |
Mean ± standard deviation | 63 ± 14 | 66 ± 15 | 61 ± 14 | 62 ± 13 |
Male | 658 (71) | 165 (66) | 266 (72) | 227 (76) |
Race | ||||
Missing b | 256 (28) | 45(18) | 87 (23) | 124 (41) |
Caucasian | 550 (83) | 165 (81) | 238 (84) | 147 (84) |
African American | 82 (12) | 28 (14) | 34 (12) | 20 (11) |
Asian | 16 (2) | 3 (1) | 9 (3) | 4 (2) |
Other/unknown | 17 (3) | 8 (4) | 4 (1) | 5 (3) |
Clinical presentation (may have more than one) | ||||
Missing b | 134 (15) | 45 (18) | 87 (23) | 2(1) |
Prior MI | 122 (15) | 38 (19) | 42 (15) | 42 (14) |
Prior CABG | 50 (6) | 22 (11) | 15 (5) | 13 (4) |
CVD | 41 (5) | 14 (7) | 10 (4) | 17 (6) |
Smoking | 246 (31) | 48 (24) | 91 (32) | 107 (36) |
Hypertension | 525 (67) | 129 (63) | 199 (70) | 197 (66) |
Dyslipidemia | 424 (54) | 92 (45) | 168 (59) | 164 (55) |
Diabetes | 189 (24) | 59 (29) | 57 (20) | 73 (24) |
Prior HF | 41 (5) | 20 (10) | 13 (5) | 8 (3) |
BMI (kg/m2) | ||||
Missing b | 162 (18) | 71 (29) | 90(24) | 1(0) |
Normal (< 25) | 179 (24) | 37 (21) | 74 (26) | 68 (23) |
Overweight (25 ≤ BMI < 30) | 288 (38) | 67 (38) | 95 (34) | 126 (42) |
Obesity (30 ≤ BMI < 35) | 195 (26) | 46 (26) | 85 (30) | 64 (21) |
Severe Obesity (BMI ≥ 35) | 97 (13) | 28 (16) | 28 (10) | 41 (14) |
Mean ± SD | 29 ± 6 | 29 ± 6 | 29 ± 5 | 29 ± 6 |
Left ventricular ejection fraction | ||||
Missing b | 374 (41) | 249(100) | 108 (29) | 17 (6) |
≤ 35% | 104 (19) | – | 50 (19) | 54 (19) |
36% - ≤45% | 136 (25) | – | 73 (28) | 63 (22) |
> 45% | 307 (56) | – | 141 (53) | 166 (59) |
Mean ± SD | 47 ± 13 | – | 47 ± 12 | 49 ± 13 |