. Author manuscript; available in PMC: 2022 Oct 12.

Published in final edited form as: Int J Tuberc Lung Dis. 2015 Jun;19(6):693–695. doi: 10.5588/ijtld.14.0886

Table.

Summary of quality indicators before and after QMS implementation

Quality indicator	Before QMS implementation %	After QMS implementation %
Contamination rates
MGIT	15.2	9.3
LJ	15.4	5.3
Waste from product expiry	6.1	1.3
EQA performance for microscopy, culture, DST and Xpert	90–100	90–100
Client satisfaction survey	Not done	98

QMS = quality management system; MGIT = Mycobacteria Growth Indicator Tube™; LJ = Löwenstein-Jensen; EQA = external quality assurance, DST = drug susceptibility testing, Xpert = Xpert^® MTB/RIF.