Table 3.
Estimated onset age and FCR effect on CAC scores in the two-part model with their recycled estimates and standard errors
| Models | Covariates | n | Logistic model of CAC > 0 |
Log-transformed linear model |
Combined CAC estim. (SE) | ||||
|---|---|---|---|---|---|---|---|---|---|
| Log odds | p-value | Adjusted prob. (SE) | Log estim. | p-value | CAC estim. (SE) | ||||
| Model M1 with NCEP threshold | Onset age | ||||||||
| 55 + | 942 | 51.6 % (1 %) | 336.5 (36) | 176.6 (17) | |||||
| 30–54 | 437 | 0.197 | 0.14 | 55.4 % (2 %) | 0.11 | 0.40 | 375.0 (51) | 206.5 (26) | |
| FCR | |||||||||
| Low | 593 | 46.4 % (2 %) | 178.5 (29) | 84.0 (14) | |||||
| Medium | 629 | 0.517 | 0.00 | 57.0 % (2 %) | 0.60 | 0.00 | 326.6 (35) | 178.8 (17) | |
| High | 157 | 0.762 | 0.01 | 62.0 % (5 %) | 1.04 | 0.00 | 503.0 (82) | 291.7 (48) | |
| Model M2 with GAM thresholds | Onset age | ||||||||
| 69+ | 407 | 48.0 % (2 %) | 254.5 (35) | 128.5 (17) | |||||
| 41–68 | 900 | 0.325 | 0.02 | 54.3 % (1 %) | 0.36 | 0.00 | 366.4 (39) | 199.4 (18) | |
| 30–40 | 72 | 0.716 | 0.01 | 61.6 % (5 %) | 0.82 | 0.01 | 576.3 (150) | 337.7 (87) | |
| FCR | |||||||||
| Low | 593 | 46.4 % (2 %) | 180.0 (29) | 84.7 (14) | |||||
| Medium | 629 | 0.518 | 0.00 | 57.0 % (2 %) | 0.60 | 0.00 | 327.9 (35) | 178.8 (16) | |
| High | 157 | 0.757 | 0.00 | 61.8 % (5 %) | 1.01 | 0.00 | 493.4 (79) | 284.3 (46) | |