贫困地区

RESULTS The total mortality was 42%, with 36.4% in coronary heart disease patients and 64% in non-coronary heart disease patients (P.05). In patients using IABP preoperatively, the mortality was much lower than that in patients using IABP during or postoperatively (0%, 40%, 50% respectively, P.05). After using IABP, homodynamic data improved and dose of cardiovascular drugs decreased significantly.

结果 本组总病死率42%，其中冠心病患者手术死亡率（36%低于非冠心病者的手术死亡率（64%，P.05）；术前应用IABP患者手术死亡率（0%）明显低于术中（40%）和术后（50%）应用IABP的患者（P.05）；IABP辅助后血流动力学指标明显改善，血管活性药物用量减少。

The paper expounds the connotation of the three accounting equalities.

本文通过对我国使用过的三个会计等式，分别解析各等式的基本内涵。