Table 2.
Clinical outcomes in total population patients with CTO and MVD during follow-up, n (%).
| Items |
OMT (n = 86) |
Incomplete PCI (n = 327) |
Complete PCI (n = 145) |
χ2 | P values |
|---|---|---|---|---|---|
| MACE | 37 (43.0)* | 100 (30.6) | 29 (20.0) | 7.900 | 0.016 |
| All-cause death | 5 (5.8)* | 7 (2.1) | 0 (0) | 3.179‡ | 0.204 |
| Recurrent MI | 4 (4.7) | 13 (4.0) | 6 (4.1) | 1.347 | 0.510 |
| Repeated revascularization | 7 (8.1) | 40 (12.2) | 13 (9.0) | 1.989 | 0.370 |
| Unstable angina | 21 (24.4)* | 63 (19.3)† | 15 (10.3) | 8.034 | 0.010 |
| Heart failure | 4 (4.7) | 13 (4.0) | 4 (2.8) | 0.983 | 0.612 |
*OMT vs. complete PCI, P <0.05. †Incomplete PCI vs. complete PCI, P <0.05. ‡Wald chi-squared test value; CTO: Chronic total occlusion; MACE: Major adverse cardiovascular event; MI: Myocardial infarction; MVD: Multi-vessel disease; OMT: Optimal medical treatment; PCI: Percutaneous coronary intervention.