Table 1.

Distribution in final diagnostic category.

Final diagnostic category	Guangzhou	Shanghai	Anhui	Xi’an	Total
Smear and culture positive tuberculosis-no./total no.(%)	340/1296(26.2)	269/1253(21.5)	231/1216(19.0)	238/1273(18.7)	1078/5038(21.4)
Smear negative and culture positive tuberculosis-no./total no.(%)	187/1296(14.4)	215/1253(17.2)	287/1216(23.6)	266/1273(20.9)	955/5038(19.0)
Clinical tuberculosis-no./total no.(%)	297/1296(22.9)	419/1253(33.4)	594/1216(48.8)	589/1273(46.3)	1899/5038(37.6)
No. tuberculosis-no./total no.(%)	472/1296(36.4)	350/1253(27.9)	104/1216(8.6)	180/1273(14.1)	1106/5038(22.0)