Table 1.
Baseline characteristics for the entire cohort and in relationship to detectable and undetectable hs-cTnT and CAC.
| Total n=6749 | CAC | Hs-cTnT | CAC and hs-cTnT | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CAC=0 n=3379 (50%)) | CAC>0 N=3370 (50%) | P value | <LoD n=2150 (32%) | ≥LoD n=4599 (68%) | P value | Hs-cTnT <LoD and CAC=0 n=1480 (22%) | Hs-cTnT ≥LoD and CAC=0 n=1899 (28%) | Hs-cTnT <LoD and CAC >0 n=670 (10%) | Hs-cTnT ≥LoD and CAC >0 n=2700 (40%) | P value | ||
| Age, mean(SD) | 62 (10) | 58 (9) | 66 (10) | <0.0001 | 57 (9) | 65 (10) | <0.0001 | 55 (8) | 60 (10) | 61 (9) | 68 (9) | <0.0001 |
| Women, n (%) | 3563 (53) | 2141 (63) | 1422 (42) | <0.0001 | 1591 (74) | 1972 (43) | <0.0001 | 1152 (78) | 989 (52) | 439 (66) | 983 (36) | <0.0001 |
| Race/ethnicity | <0.0001 | <0.0001 | <0.0001 | |||||||||
| White, n (%) | 2602 (3939) | 1117 (3333) | 1485 (44) | - | 741 (3535) | 1861 (4141) | - | 488 (3333) | 629 (3333) | 253 (3838) | 1232 (46) | - |
| Chinese, n (%) | 798 (1212) | 396 (1212) | 402 (1212) | - | 330 (1515) | 468 (1010) | - | 204 (1414) | 192 (1010) | 126 (1919) | 276 (1010) | - |
| Black, n (%) | 1864 (2828) | 1053 (3131) | 811 (2424) | - | 565 (2626) | 1299 (2828) | - | 408 (2828) | 645 (3434) | 157 (2323) | 654 (2424) | - |
| Hispanic, (%) | 1485 (2222) | 813 (2424) | 672 (2020) | - | 514 (2424) | 971 (2121) | - | 380 (2626) | 433 (2323) | 134 (2020) | 538 (2020) | - |
| Never smoked, n (%) | 3388 (50) | 1886 (56) | 1502 (45) | <0.0001 | 1196 (56) | 2192 (48) | <0.0001 | 880 (60) | 1006 (53) | 316 (47) | 1186 (44) | <0.0001 |
| Body mass index, mean (SD) | 28.3 (5.5) | 28 (66) | 28 (55) | 0.17 | 27.9 (5.7) | 28.5 (5.4) | <0.0001 | 28 (66) | 29 (66) | 28 (66) | 29 (55) | <0.0001 |
| Physical activity (MET-min/week) | 5754 (5894) | 6012 (5808) | 5496 (5968) | <0.0001 | 5827 (5380) | 5720 (6119) | 0.001 | 5907 (5337) | 6093 (6150) | 5650 (5475) | 5457 (6085) | <0.0001 |
| Diabetes, n (%) | 844 (1313) | 311 (99) | 533 (1616) | <0.0001 | 155 (7.2) | 689 (1515) | <0.0001 | 86 (66) | 225 (1212) | 69 (1010) | 464 (1717) | <0.0001 |
| Hypertension, n (%) | 3028 (45) | 1185 (3535) | 1843 (55) | <0.0001 | 649 (3030) | 2379 (52) | <0.0001 | 379 (2626) | 806 (42) | 270 (4040) | 1573 (58) | <0.0001 |
| Systolic blood pressure (mmHg), mean (SD) | 126.6 (2222) | 122 (2020) | 131 (2222) | <0.0001 | 120.1 (2020) | 129.6 (2222) | <0.0001 | 118 (1919) | 126 (2121) | 125 (2020) | 132 (2222) | <0.0001 |
| Diastolic blood pressure (mmHg), mean (SD) | 71.9 (1010) | 71 (1010) | 73 (1010) | <0.0001 | 70.0 (9.9) | 72.8 (1010) | <0.0001 | 70 (1010) | 73 (1010) | 71 (99) | 73 (1010) | <0.0001 |
| Hypertension medication use, n (%) | 2509 (3737) | 971 (2929) | 1538 (46) | <0.0001 | 537 (2525) | 1972 (43) | <0.0001 | 317 (2121) | 654 (3434) | 220 (3232) | 1318 (49) | <0.0001 |
| Total cholesterol (mg/dL), mean (SD) | 194 (3636) | 194 (3535) | 195 (3636) | 0.58 | 196 (3535) | 193 (3636) | 0.0021 | 195 (3535) | 193 (3535) | 198 (3535) | 194 (3737) | 0.003 |
| LDL cholesterol (mg/dL), mean (SD) | 117 (3131) | 115.9 (3131) | 118.4 (3232) | 0.008 | 118 (3232) | 117 (3131) | 0.27 | 117 (3131) | 115 (3131) | 121 (3333) | 118 (3232) | 0.007 |
| HDL cholesterol (md/dL), mean (SD) | 51 (1515) | 52.5 (1515) | 49.4 (1515) | <0.0001 | 53 (1515) | 50 (1515) | <0.0001 | 54 (1515) | 51 (1515) | 51 (1414) | 49 (1515) | <0.0001 |
| Triglycerides (mg/dL), mean (SD) | 132 (88) | 127 (85) | 136 (92) | <0.0001 | 126 (80) | 134 (93) | 0.0002 | 122 (73) | 131 (94) | 134 (93) | 137 (92) | <0.0001 |
| Lipid-lowering medication use, n (%) |
1098 (1616) | 360 (1111) | 738 (2222) | <0.0001 | 258 (1212) | 840 (1818) | <0.0001 | 128 (99) | 232 (1212) | 130 (1919) | 608 (2323) | <0.0001 |
| Any coronary artery calcium present, n (%) | 3370 (50) | <0.0001 | 670 (3131) | 2700 (59) | <0.0001 | 0 (0) | 0 (0) | 146 (292) | 327 (594) | |||
| Coronary artery calcium, mean (SD) | 145 (416) | 0 (0) | 291 (552) | <0.0001 | 45 (176) | 192 (483) | <0.0001 | <0.0001 | ||||
| Coronary artery calcium score | - | <0.0001 | 1480(100) | 1899(100) | 0 (0) | 0 (0) | - | |||||
| Coronary artery calcium score, 0, n (%) | 3379 (50) | 3379 (100 ) | 0 (0.0) | 1480 (69) | 1899 (4141) | 0 (0) | 0 (0) | 453 (68) | 1331 (49) | |||
| Coronary artery calcium score, 1-99, n (%) | 1784 (2626) | 0 (0.0) | 1784 (53) | 453 (2121) | 1331 (2929) | 0 (0) | 0 (0) | 217 (3232) | 1369 (51) | |||
| Coronary artery calcium score >100, n (%) | 1586 (2424) | 0 (0.0) | 1586 (47) | 217 (1010) | 1369 (3030) | |||||||