When the cutoff value of urinary NMP22 was set at 14u/ml,NMP22 was more accurate than cytology,NMP22 can substitute for urinary cytology as a noninvasive methods.

• 确立尿NMP22诊断膀胱癌的参考值为14u/ml。尿NMP22诊断膀胱癌的敏感性、阳性预测值和准确度较尿脱落细胞学检查有明显提高。