Table 3.
Logistic regression analysis of CTOs risk factors.
| Variables | B | Wald | OR | 95% CI | p value |
| Age | 0.052 | 44.151 | 1.053 | 1.037–1.069 | 0.001 |
| Sex | –1.374 | 46.014 | 0.253 | 0.170–1.069 | 0.001 |
| Smoking | 0.849 | 22.374 | 2.337 | 1.644–3.323 | 0.001 |
| Diabetes | 0.875 | 19.100 | 2.399 | 1.620–3.551 | 0.001 |
| Hypertension | 0.481 | 8.990 | 1.618 | 1.181–2.217 | 0.003 |
| TC (mmol/L) | –0.369 | 5.547 | 0.692 | 0.509–0.940 | 0.019 |
| LDL (mmol/L) | 0.557 | 8.627 | 1.746 | 1.204–2.532 | 0.003 |
| Lp(a) (mg/L) | 0.001 | 7.420 | 1.001 | 1.000–1.002 | 0.006 |
| AIP | 1.475 | 24.455 | 4.371 | 2.436–7.844 | 0.001 |
OR, odds ratio; CI, confidence interval; TC, total cholesterol; CTOs, chronic total occlusions; LDL, low-density lipoprotein; LP(a), Lipoprotein(a); AIP, atherogenic index of plasma.