Table 1. Overall tuberculosis detection results by Xpert MTB/RIF Ultra on Omni versus GeneXpert devices.
Result of test | Omni | |||
---|---|---|---|---|
TB+ | TB- | Total (%) | ||
GeneXpert | TB+ | 158 (79.8%) | 1a (0.5%) | 159 (79.9%) |
TB- | 0 (0.0%) | 40 (20.1%) | 40 (20.1%) | |
Total (%) | 158 (79.4%) | 41 (20.6%) | 199 (100%) |
TB+: M. tuberculosis detected, TB-: M. tuberculosis not detected. All percentages are based on the total number of samples tested between the two platforms (n = 199).
a This discordant specimen was characterized in the FIND specimen bank as smear-negative, culture-positive and was only ‘trace’ positive on MTB Ultra testing on GeneXpert.