Table 3 Distribution of cardiothoracic ratio and aortic arch calcification grade across study population
Variable | Overall (n = 824) | Patients alive at end of follow-up (n = 672) | Patients dead at end of follow-up (n = 152) | p-value |
|---|---|---|---|---|
Cardiothoracic ratio (CTR) | 0.53 [0.48, 0.58] | 0.52 [0.48, 0.57] | 0.55 [0.51,0.59] | <0.001 |
CTR > 0.5 | 67% (552/824) | 64% (527/824) | 79% (651/824) | <0.001 |
Aortic arch calcification grade (%) | Â | Â | Â | <0.001 |
0 | 54% (445/824) | 59% (394/672) | 36% (54/152) | Â |
1 | 24% (198/824) | 22% (146/672) | 34% (52/152) | Â |
2 | 17% (140/824) | 16% (107/672) | 20% (30/152) | Â |
3 | 5% (41/824) | 4% (25/672) | 11% (16/152) | Â |