Table 2.

Comparison of TUBEX with other immunoassays (summary)

AssayaSensitivitybSpecificityb
TUBEX100 (16)100 (69)
Inh-ELISA100 (15)96.8 (62)
Inh-slide38.5 (13)100 (20)
IgM ELISA100 (15)96.9 (64)
IgG ELISA86.7 (15)95.3 (64)
Agg-well31.3 (16)100 (55)
Agg-slide18.2 (11)91.3 (23)
Widal (TO + TH)81.3 (16)43.3 (30)
  • a Inh-ELISA, inhibition ELISA; Inh-slide, inhibition slide agglutination test; Agg-well, well agglutination test; Agg-slide, direct slide agglutination test.

  • b Expressed as percent (sample size).