Table 3.
Associations between baseline apo B, LDL-C, non-HDL-C and apo B concordance/discordance with LDL-C and non-HDL-C using residuals and medians with prevalent CAC >0 at baseline (N=4,623)
| Minimally-adjusted1 | Fully-adjusted2 | ||||
|---|---|---|---|---|---|
| N CAC>0/Total N | Prevalence Ratio (95% CI) | P | Prevalence Ratio (95% CI) | P | |
| Individual Measures | |||||
| Apo B Tertiles | |||||
| <96.9 mg/dl | 637/1538 | Ref | Ref | ||
| 96.9 - 118.0 mg/dl | 741/1540 | 1.13 (1.06, 1.20) | <0.001 | 1.10 (1.04, 1.17) | 0.002 |
| >118.0 mg/dl | 807/1545 | 1.25 (1.17, 1.32) | <0.001 | 1.21 (1.13, 1.29) | <0.001 |
| LDL-C Tertiles | |||||
| <106.0 mg/dl | 648/1494 | Ref | Ref | ||
| 106.0 - 129.0 mg/dl | 735/1537 | 1.11 (1.04, 1.17) | <0.001 | 1.09 (1.03, 1.15) | 0.005 |
| >129.0 mg/dl | 802/1592 | 1.19 (1.12, 1.26) | <0.001 | 1.17 (1.10, 1.24) | <0.001 |
| Non-HDL-C Tertiles | |||||
| <129.0 mg/dl | 639/1512 | Ref | Ref | ||
| 129.0 - 136.0 mg/dl | 733/1529 | 1.12 (1.05, 1.19) | <0.001 | 1.09 (1.02, 1.15) | 0.007 |
| >136.0 mg/dl | 813/1582 | 1.21 (1.14, 1.29) | <0.001 | 1.17 (1.09, 1.25) | <0.001 |
| Discordance by Residual7 | |||||
| Apo B/LDL-C | |||||
| Discordant Low | 513/1194 | 0.95 (0.90, 1.01) | 0.12 | 0.98 (0.92, 1.04) | 0.46 |
| Concordant | 1082/2287 | Ref | Ref | ||
| Discordant High | 590/1142 | 1.08 (1.02, 1.14) | 0.01 | 1.02 (0.95, 1.08) | 0.61 |
| Apo B/non-HDL-C | |||||
| Discordant Low | 496/1162 | 0.93 (0.88, 0.99) | 0.03 | 0.93 (0.87, 0.99) | 0.02 |
| Concordant | 1118/2307 | Ref | Ref | ||
| Discordant High | 571/4623 | 1.05 (0.99, 1.12) | 0.07 | 1.03 (0.98, 1.10) | 0.24 |
Abbreviations: apolipoprotein B, apo B; coronary artery calcium, CAC; high-density lipoprotein cholesterol, HDL-C; low-density lipoprotein cholesterol, LDL-C; non-high-density lipoprotein cholesterol, non-HDL-C.
Prevalence ratio regression model adjusted for age, sex and race/ethnicity (White, Black, Chinese, Hispanic), smoking status, and hypertension.
Prevalence ratio regression model adjusted for age, sex, race/ethnicity (White, Black, Chinese, Hispanic), smoking status (never, former/current), hypertension (yes/no), body mass index, diabetes status (yes/no), triglycerides (log-transformed).
Discordant low=residual difference <25th percentile; discordant high=residual difference >75th percentile; concordant=residual difference 25th-75th percentile