Journal of Laboratory Medicine and Quality Assurance

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Table. 20.

Table. 20.

Status and trend of TB diagnostics test performed in 2012–2017

Code Diagnostic assay YearChange (%) P-value

201220132014201520162017
B4105Direct nonfluorescence AFB smear187,319161,873151,038158,799150,360137,131-8.800.103
B4021Direct fluorescence AFB smear204,167169,057128,104106,16887,01565,349-24.900.115
B4120Concentrated nonfluorescence AFB smear263,596222,287196,427184,504170,666155,189-9.070.131
BX304Concentrated fluorescence AFB smear631,729732,882805,285843,159963,490924,856-4.010.196
B4054Solid culture844,677880,541883,141897,805947,413915,575-3.360.287
B4055Liquid culture558,094647,094692,238721,708786,830780,222-0.840.174
B4063DST (<10 drugs)1,42797984446146665841.200.353
B4064DST (≥10 drgus)38,56041,62145,07746,56443,54842,971-1.320.488
B4065Liquid DST522880763805779-3.230.423
C5953TB PCR20,87124,56323,71418,13517,57516,863-4.050.150
CY051Nested TB PCR34,55539,08739,42029,44425,69419,174-25.380.046*
C6021Real-time TB PCR239,335244,150271,611292,629319,949333,1314.120.091
CY636NTM species identification6,1905,0405,0403,9214,4003,977-9.610.185
CY751Rapid antituberculous drug susceptibility test (RIF)6,6737,1418,1008,6399,0269,2652.650.141
CY752Rapid antituberculous drug susceptibility test (INH)6,4657,0638,0068,5798,9489,1742.530.148
C5957Xpert MTB/RIF1,5804,1126,04213,15732,186144.630.009*
CZ393IGRA6,80310,58615,60918,47731,52985,321170.610.001*
E7113TST33,03032,99830,53721,58720,06719,059-5.020.141
Total3,083,4913,229,0643,309,1833,367,3843,600,9383,550,880-1.390.163

Values are presented as mean±standard error of mean (n=6).

Abbreviations: TB, tuberculosis; AFB, acid-fast bacilli; DST, drug susceptibility testing; PCR, polymerase chain reaction; NTM, nontuberculous mycobacteria; RIF, rifampicin; INH, isoniazid; MTB, Mycobacterium tuberculosis; IGRA, interferon-gamma release assay; TST, tuberculin skin test.

P<0.05.

J Lab Med Qual Assur 2019;41:82-104 https://doi.org/10.15263/jlmqa.2019.41.2.82
© 2019 J Lab Med Qual Assur