The positive rate of the acid-fast stains on urinary sediment, urine acid-fast bacillculture and PCR TBDNA in urine were 21.7%, 27.3% and 58.7% respectively.

• 尿沉渣涂片找抗酸杆菌、尿TB培养和尿PCR-TBDNA阳性率分别为21.；7%25、27