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Table 2 Agreement in readings of slides among selected health institution laboratories and final rereading by a third reader from December 2011 to December 2012

From: External quality assessment for acid fast bacilli smear microscopy in eastern part of Ethiopia

Peripheral laboratory Final re reading  
Positive Negative Total
Positive 90 12 102 χ2 = 3.87
P = 0.00
Negative 20 456 476
Total slides 110 468 578