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. 2006 Nov 8;45(1):252–254. doi: 10.1128/JCM.01489-06

TABLE 2.

Nested-PCR results for ethanol-preserved sputum specimens broken down by quantitative smear microscopy results

Smear microscopy group No. of specimens with indicated nested-PCR result
Total
rpoB positivea rpoB negative
1-9 AFB/100 fields 9 (90) 1 10
10-99 AFB/100 fields 35 (87.5) 5 40
1-10 AFB/field 70 (89.7) 8 78
>10 AFB/field 81 (97.6) 2 83
Total 195 (92.4) 16 211
a

Values in parentheses are percentages.