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Table 2 TB laboratory diagnostic facilities and infrastructure assessment, in Addis Ababa, Ethiopia

From: Misdiagnosis of pulmonary tuberculosis and associated factors in peripheral laboratories: a retrospective study, Addis Ababa, Ethiopia

Variables Number Percent
Separate TB laboratory room
 Yes 79 58.5
 No 56 41.5
Separate area for TB laboratory works
 Yes 104 77.0
 No 31 23.0
Regular electric power supply
 Yes 131 97
 No 19 14.1
Regular water supply
 Yes 127 94.1
 No 8 5.9
Runn IQC slides parallel with routine tasks
 Yes 38 28.1
 No 97 71.9
SOPs, guideline and manuals
 Yes 107 79.3
 No 28 20.7
Functional light microscopes
 Yes 135 100
 No 0 0.0
ZN-staining reagents
 Yes 121 89.6
 No 14 10.4
Lens cleaning tissue paper
 Yes 49 36.3
 No 86 63.7
IQC reagents
 Yes 26 19.3
 No 109 80.7
Good storage condition for reagents
 Yes 82 60.7
 No 53 39.3
Checking quality of sputum
 Yes 76 56.3
 No 59 43.7
Always carbol-fuchsin filtered before use
 Yes 78 57.8
 No 57 42.2
Having news slides (frosted slide)
 Yes 124 91.9
 No 11 8.1
Re-used sputum container
 Yes 0 0.0
 No 135 100
Having personal protective equipment
 Yes 135 100
 No 0 0.0
Having functioning incinerator
 Yes 135 100
 No 0 0.0
Staff received training on ZN sputum smears microscopy
 Yes 103 76.3
 No 32 23.7
Having standard TB result registration log-book
 Yes 109 80.7
 No 26 19.3
Received EQA feedback
 Yes 124 91.9
 No 11 8.1