Approximately 10% of patients（218 in the rosiglitazone group and 223 in the control group） were lost to follow-up（没有随访到）.。

Approximately 10% of patients（218 in the rosiglitazone group and 223 in the control group） were lost to follow-up（没有随访到）.。
A.正确
B.错误
正确答案：正确