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Comparison of the degree of coronary stenosis between the two groups.
| Group | n | Moderate stenosis | Severe stenosis | Very severe stenosis | Complete occlusion |
|---|---|---|---|---|---|
| Young group | 84 | 23 (27.38) | 33 (39.29) | 12 (14.29) | 16 (19.05) |
| Elderly group | 66 | 5 (7.58) | 9 (13.64) | 30 (45.45) | 22 (33.33) |
| t | — | 9.549 | 12.061 | 17.811 | 3.988 |
| P | — | 0.002 | 0.001 | ≤0.001 | 0.046 |
