The National Tuberculosis Control Programme of Liberia Laboratory Programme Performance

Table 4

EQA participation, documentation, and reporting for TB microscopy testing.

Factors related to documentation and reporting	Microscopy sites (laboratories) (N = 93)
	Number	Frequency (%)
Availability of standard operating procedures (SOPs)
Yes	5	5
No	88	95
Timely result reporting
Yes	90	96
No	3	4
Quality-control slides provided by TB programme
Yes	9	10
No	84	90
Slides kept for EQA (blind rechecking) by TB programme
Yes	29	31
No	64	69
EQA performance problem
Yes	7	8
No	86	92
EQA corrective action
Yes	8	9
No	85	91