The average yearly set back rate was 22% in the MP group versus 59% in the placebo group representing three times higher setbacks in the placebo patients.

实验发现，在甲强龙组平均年复发率为22%，而安慰剂对照组的平均年复发率是59%，几乎是甲强龙组的3倍。

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The average yearly set back rate was 22% in the MP group versus 59% in the placebo group representing three times higher setbacks in the placebo patients.

实验发现，在甲强龙组平均年复发率为22%，而安慰剂对照组的平均年复发率是59%，几乎是甲强龙组的3倍。

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