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Table 5 Contingency table for thick blood smear (50 µl) versus the direct examination (10 µl) as the gold standard (reference technique)

From: Low diagnostic performance of thick blood smears of 50 µl in comparison with direct examination of 10 µl blood and the leukoconcentration technique of 5ml blood among loiasis-suspected patients with low microfilaremia in Gabon, Central Africa, using the STARD-BLCM guidelines

 

Direct examination

Total

Positive

Negative

Thick blood smear of 50 µl

 Positive

18

0

18

 Negative

0

173

173

 Total

18

173

191