[Table/Fig-2]:
Comparison between InBios Rapid, ImmuneMed Rapid IgM, WF (OX K) and IgM ELISA (n=220). WF=Weil-Felix test.
| % Overall accuracy (95%CI) | ||||||
|---|---|---|---|---|---|---|
| Test | Agreement (Kappa factor) (95%CI) |
Sensitivity [95%CI] |
Specificity [95%CI] |
Positive Predictive Value (PPV) (95%CI) |
Negative Predictive Value (NPV) (95%CI) |
|
| InBios Rapid IgM | Vs IgM | 0.932 (0.883- 0.982) |
99.25% (95.91-99.98) |
93.02% (85.43- 97.40) | 95.68% (90.84- 98.40) | 98.77% (93.31- 99.97) |
| Immune Med Rapid IgM | Vs IgM | 0.886 (0.823 -0.949) |
94.87% (89.53-97.87) |
94.19% (86.95-98.09) | 96.21% (91.38-98.76) | 92.05% (84.30-96.74) |
| WF Titre ≥1:320 |
Vs IgM |
0.413 (0.315- 0.512) |
50.38% (41.52- 59.23) |
95.51% (88.89- 98.76) | 94.29% (86.01- 98.42) | 56.67 % (48.34-64.73) |