BTA test detected 58 of 64 cases of bladder cancer. The sensitivity, specificity, accuracy, positive and negative likelihood ration were 90 6%,89 3%,90 2%,8 5 and 0 1 respectively.

• BTA测定的敏感度、准确度、特异度、阳性及阴性似然比分别为90.；6%25、89