分组 | 乳内动脉–前降支 | 对角支或中间支 | 钝缘支 | PDA或PLA |
对照组 | 1.8 ± 0.9 | 3.1 ± 1.4 | 3.0 ± 0.8 | 3.5 ± 1.5 |
观察组 | 1.9 ± 0.7 | 2.8 ± 1.1 | 2.7 ± 0.7 | 3.3 ± 0.9 |
P | 0.517 | 0.036 | 0.026 | 0.142 |