TABLE 2.

Comparison of real-time and nested touchdown PCR testing of 20 nasopharyngeal, 22 throat, and 20 sputum samples from 22 patients

PCR assayNo. of positive samples/total from:
NasopharynxThroatSputum
Real time4/206/2213/20
Nested4/206/2210/20
Congruent samples2/65/79/14