Table 3.
Univariate and multivariate Cox analysis for all‐cause mortality
| Variables | HR (95% CI) | P Value |
|---|---|---|
| Univariate regression | ||
| Age | 1.000 (0.982‐1.020) | 0.966 |
| Female sex | 1.183 (0.669‐2.092) | 0.564 |
| BMI | 0.955 (0.898‐1.017) | 0.152 |
| Smoking | 0.588 (0.340‐1.016) | 0.057 |
| DM | 0.709 (0.335‐1.498) | 0.367 |
| Anemia | 1.075 (0.461‐2.508) | 0.867 |
| Renal insufficiency | 1.325 (0.712‐2.466) | 0.374 |
| AF | 2.060 (1.065‐3.985) | 0.032 |
| NT‐proBNP (per 100 pg/mL) | 1.038 (1.025‐1.051) | <0.001 |
| LVEF | 0.961 (0.939‐0.983) | <0.001 |
| LVEDD | 1.054 (1.034‐1.074) | <0.001 |
| LVEDV index | 1.011 (1.006‐1.015) | <0.001 |
| LGE‐negative + FT3 ≥ 2.79 pg/mL | 1 (Ref) | |
| LGE‐negative + FT3 < 2.79 pg/mL | 1.653 (0.696‐3.923) | 0.254 |
| LGE‐positive + FT3 ≥ 2.79 pg/mL | 1.160 (0.445‐3.023) | 0.762 |
| LGE‐positive + FT3 < 2.79 pg/mL | 4.064 (1.903‐8.679) | <0.001 |
| Multivariate regression | ||
| NT‐proBNP (per 100 pg/mL) | 1.028 (1.014‐1.043) | <0.001 |
| LVEF | 0.964 (0.937‐0.991) | 0.009 |
| LGE‐negative + FT3 ≥ 2.79 pg/mL | 1 (Ref) | |
| LGE‐negative + FT3 < 2.79 pg/mL | 1.617 (0.666‐3.923) | 0.288 |
| LGE‐positive + FT3 ≥ 2.79 pg/mL | 1.095 (0.414‐2.896) | 0.855 |
| LGE‐positive + FT3 < 2.79 pg/mL | 2.893 (1.323‐6.326) | 0.008 |
Abbreviations: AF, atrial fibrillation; BMI, body mass index; CI, confidence interval; DM, diabetes mellitus; FT3, free triiodothyronine; HR, hazard ratio; LGE, late gadolinium enhancement; LVEDD, left ventricular end‐diastolic diameter; LVEDV, left ventricular end‐diastolic volume; LVEF, left ventricular ejection fraction; NT‐proBNP, N‐terminal pro‐B‐type natriuretic peptide; Ref, reference.