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Table 3 Comparison of the sputum-culture convention rate in placebo and QBDT group in each site

From: Improvement cues of lesion absorption using the adjuvant therapy of traditional Chinese medicine Qinbudan tablet for retreatment pulmonary tuberculosis with standard anti-tuberculosis regimen

SitesPlacebo (n = 88)QBDT (n = 93)
Negative culture
n
Positive culture
n
Withdrawal
n
Negative rateNegative culture
n
Positive culture
n
Withdrawal
n
Negative rate
113216.7%0100.0%
2100100.0%100100.0%
30000.0%11050.0%
4300100.0%61266.7%
537225.0%93169.2%
651083.3%40180.0%
771087.5%800100.0%
843150.0%21333.3%
990190.0%1100100.0%
10153083.3%170289.5%
11111091.7%130192.9%
1221150.0%21150.0%
Total6120769.3%7481179.6%
  1. QBDT Qinbudan tablet; Covariance analysis was used to correct the rate differences of primary endpoints. The covariate variable sites as follows: 1 Shanghai pulmonary hospital affiliated Tongji University, 2 Beijing chest hospital affiliated Capital medical university, 3 the first affiliated hospital of Chongqing medical university, 4 Shenzhen Donghu hospital, 5 Hebei provincial chest hospital, 6 Jiangxi provincial chest hospital, 7 Tianjin Haihe hospital, 8 Shenyang chest hospital, 9 Wuhan tuberculosis dispensaries, 10 the first affiliated hospital of Xinxiang Medical University, 11 Uygur Autonomous Region of Xinjiang Chest Hospital, 12 the 85th hospital of Chinese people’s liberation army