表1. 三组肝右静脉与下腔静脉夹角测定结果（±s）.
| 组别 | 观察例数 | T值（度） |
|---|---|---|
| 正常对照组 | 94 | 49.3±7.8a |
| MOVC组 | 68 | 56.1±13.7b |
| 肝硬化组 | 86 | 51.5±10.1 |
注：a：与MOVC组比较，P<0.01；b:与肝硬化组比较，P<0.01
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