试验组临床疗效优于对照组的翻译：Group clinical efficacy is better than the control group 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Clinical efficacy of the test group than the control group

Group clinical efficacy is better than the control group

The experimental group clinical curative effect surpasses the control group

Pilot Group clinical efficacy superior to contrast group

Group clinical efficacy is better than the control group