Table 3 Results for the quality of staining of thin and thick blood film samples stained by the participants
From: External quality assessment of malaria microscopy in the Democratic Republic of the Congo
Sample | Criteria | Numbers (%) |
|---|---|---|
Sample 5: Thin blood film supplied by EQA, stained by participant and returned to the reference laboratory (n = 163) | No Giemsa stain precipitates observed | 107 (65.6%) |
Red blood cells stained grey-pink | 147 (90.2%) | |
Chromatin of lymphocytes stained purple | 60 (36.8%) | |
Granules of neutrophils stained pink | 100 (61.4%) | |
Complies with all criteria mentioned above | 16 (9.8%) | |
Sample 6: Routinely stained thick blood film of the participant submitted to the reference laboratory (n = 155) | Correct dimensions (> 1 cm) and thickness of the film | 110 (71.0%) |
Complete hemolysis of the red blood cells | 118 (76.1%) | |
No Giemsa stain precipitates observed | 60 (38.7%) | |
Good contrast between nucleus and cytoplasm | 70 (45.1%) | |
Complies with all criteria mentioned above | 30 (19.4%) |