研究中包括855个没有心脏病或者中风史的RA患者，并且对每一个人随着经历的时间疾病活动的总量评分。

Eight-hundred-fifty-five RA patients without a history of heart disease or stroke were included in the study, and scored to show the amount of disease activity each person was experiencing over time.

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结果四组病人的年龄、体重、芬太尼总量、麻醉时间、气腹时间、输液总量和基础疾病的差异无统计学意义。

Results the difference in patients 'age, weight, fentanyl doses, anesthesia time, pneumoperitoneum time, infusion volume and underlying diseases was of no statistical significance in four groups.

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