Table 4.
Optimal and Worst Algorithms Using 1, 2, 3, and 4 of the 5 Tests With Corresponding Correct Diagnosis Score Using Currently Available Rapid Diagnostic Tests
| No. of Tests | Optimal/Worst Algorithm | India | Cambodia | ||||
|---|---|---|---|---|---|---|---|
| Order of Tests | CD Score With Sequential Testing | CD Score When Tests Are Applied Simultaneously | Order of Tests | CD Score With Sequential Testing | CD Score When Tests Are Applied Simultaneously | ||
| 1 | Optimal test | 1. Dengue | 0.31 | 0.31 | 1. Malaria | 0.73 | 0.73 |
| Worst test | 1. Typhoid | 0.04 | 0.04 | 1. Typhoid | 0.001 | 0.001 | |
| 2 | Optimal algorithm | 1. Dengue 2. Scrub typhus |
0.45 | 0.45 | 1. Malaria 2. Dengue |
0.80 | 0.76 |
| Worst algorithm | 1. Typhoid 2. Leptospirosis |
0.17 | 0.16 | 1. Typhoid 2. Scrub typhus |
0.03 | 0.03 | |
| 3 | Optimal algorithm | 1.Dengue 2.Scrub typhus 3.Leptospirosis |
0.59 | 0.42 | 1. Malaria 2. Dengue 3. Leptospirosis |
0.86 | 0.55 |
| Worst algorithm | 1.Typhoid 2.Leptospirosis 3.Malaria |
0.26 | 0.24 | 1. Typhoid 2. Leptospirosis 3. Scrub typhus |
0.08 | 0.08 | |
| 4 | Optimal algorithm | 1.Dengue 2.Scrub typhus 3.Malaria 4.Leptospirosis |
0.72 | 0.54 | 1. Malaria 2. Scrub typhus 3. Dengue 4. Leptospirosis |
0.89 | 0.69 |
| Worst algorithm | 1.Typhoid 2.Leptospirosis 3.Malaria 4.Scrub typhus |
0.34 | 0.31 | 1. Typhoid 2. Leptospirosis 3. Scrub typhus 4. Dengue |
0.12 | 0.11 | |
Abbreviation: CD, correct diagnosis.