Table 1

 Pooled values* (95% confidence intervals) of diagnostic odds ratio (DOR), sensitivity, and specificity of five commercial nucleic acid amplification tests (NAATs)

TestNAA methodAFB+AFB−
DORSensitivitySpecificityDORSensitivitySpecificity
PCR, polymerase chain reaction; SDA, strand displacement amplification; TMA, trascription mediated amplification; LCR, ligase chain reaction; DOR, diagnostic odds ratio.
*Random effect model.
AmplicorPCR117 (56 to 246)0.96 (0.94 to 0.97)0.83 (0.8 to 0.86)77 (51 to 115)0.61 (0.57 to 0.65)0.97 (0.968 to 0.974)
Cobas AmplicorPCR99 (56 to 173)0.96 (0.95 to 0.97)0.74 (0.68 to 0.8)220 (144 to 335)0.64 (0.59 to 0.69)0.993 (0.992 to 0,994)
BDPSDA181 (39 to 834)0.98 (0.96 to 0.99)0.89 (0.84 to 0.93)96 (53 to 175)0.71 (0.66 to 0.76)0.97 (0.964 to 0.974)
E-MTDTMA314 (99 to 995)0.97 (0.95 to 0.98)0.96 (0.93 to 0.97)157 (48 to 510)0.76 (0.7 to 0.8)0.97 (0.966 to 0.974)
LCxLCR42 (12 to 142)0.96 (0.94 to 0.98)0.71 (0.64 to 0.78)71 (38 to 132)0.57 (0.5 to 0.64)0.98 (0.978 to 0.985)