英语语法分析

The rate of pneumoresection was higher in elderly patients than in healthy controls(P<0.05) with no difference in the rate of radical resection between the two groups.

高龄组患者行肺部分切除比例高于对照组，但两组患者行根治性肺切除手术率差异无 统计学意义（P>0.05）。