The calculation of post-test probabilities
| Pathogens | Study(n) | Pre-test probability (%) | Test kit | Likelihood ratio | Post-test probability (%) |
| Campylobacter | 11 | 5.6 | Luminex | LR+: 55 (21-140) | 77 |
| LR-: 0.06 (0.03-0.12) | 0 | ||||
| 5 | 3.6 | FilmArray | LR+: 120 (47-330) | 82 | |
| LR-: 0.05 (0.02-0.13) | 0 | ||||
| Clostridium difficile | 8 | 5.5 | Luminex | LR+: 49 (24-100) | 74 |
| LR-: 0.06 (0.04-0.09) | 0 | ||||
| 4 | 10.9 | FilmArray | LR+: 35 (26-47) | 81 | |
| LR-: 0.03 (0.01-0.11) | 0 | ||||
| E. coli O157 | 7 | 0.8 | Luminex | LR+: 150 (72-330) | 55 |
| LR-: 0.13 (0.05-0.28) | 0 | ||||
| ETEC | 5 | 1.2 | Luminex | LR+: 60 (13-290) | 42 |
| LR-: 0.13 (0.03-0.38) | 0 | ||||
| 3 | 1.4 | FilmArray | LR+: 150 (80-280) | 68 | |
| LR-: 0.08 (0.02-0.33) | 0 | ||||
| Salmonella | 11 | 5.3 | Luminex | LR+: 33 (11-100) | 65 |
| LR-: 0.15 (0.11-0.21) | 1 | ||||
| 5 | 3.5 | FilmArray | LR+: 210 (110-400) | 88 | |
| LR-: 0.06 (0.02-0.16) | 0 | ||||
| STEC stx1/stx2 | 6 | 2.1 | Luminex | LR+: 130 (65-270) | 74 |
| LR-: 0.08 (0.03-0.19) | 0 | ||||
| 4 | 3.3 | FilmArray | LR+: 190 (100-350) | 87 | |
| LR-: 0.04 (0.01-0.15) | 0 | ||||
| Shigella/EIEC | 11 | 4.3 | Luminex | LR+: 73 (37-150) | 77 |
| LR-: 0.07 (0.04-0.13) | 0 | ||||
| 4 | 4.8 | FilmArray | LR+: 440 (170-1200) | 96 | |
| LR-:0.05 (0.02-0.13) | 0 | ||||
| Yersinia enterocolitica | 3 | 2.1 | Luminex | LR+: 230 (45-1200) | 83 |
| LR-: 0.53 (0.35-0.69) | 1 | ||||
| Adenovirus 40/41 | 9 | 2 | Luminex | LR+: 96 (53-160) | 66 |
| LR-: 0.30 (0.12-0.58) | 1 | ||||
| 5 | 3.8 | FilmArray | LR+: 100 (55-180) | 80 | |
| LR-: 0.10 (0.03-0.31) | 0 | ||||
| Norovirus GI/GII | 10 | 6.1 | Luminex | LR+: 37 (16-85) | 71 |
| LR-: 0.12 (0.08-0.19) | 1 | ||||
| 6 | 6.8 | FilmArray | LR+: 120 (61-230) | 90 | |
| LR-: 0.08 (0.05-0.14) | 1 | ||||
| Rotavirus A | 11 | 5.7 | Luminex | LR+: 100 (52-200) | 86 |
| LR-: 0.07 (0.04-0.10) | 0 | ||||
| 6 | 2.9 | FilmArray | LR+: 76 (35-160) | 69 | |
| LR-: 0.07 (0.02-0.25) | 0 | ||||
| Cryptosporidium | 7 | 0.7 | Luminex | LR+: 96 (22-410) | 40 |
| LR-: 0.18 (0.08-0.37) | 0 | ||||
| 3 | 1.2 | FilmArray | LR+: 230 (110-490) | 74 | |
| LR-: 0.08 (0.02-0.32) | 0 | ||||
| Entamoeba histolytica | 6 | 0.2 | Luminex | LR+: 59 (18-160) | 11 |
| LR-: 0.30 (0.08-0.68) | 0 | ||||
| Giardia lamblia | 7 | 0.9 | Luminex | LR+: 36 (13-85) | 25 |
| LR-: 0.19 (0.06-0.49) | 0 | ||||
| 4 | 1.3 | FilmArray | LR+: 200 (100-390) | 72 | |
| LR-: 0.09 (0.02-0.31) | 0 | ||||
| Astrovirus | 3 | 2.7 | FilmArray | LR+: 300 (55-1600) | 89 |
| LR-: 0.04 (0.01-0.15) | 0 | ||||
| Sapovirus | 3 | 5.6 | FilmArray | LR+: 170 (66-430) | 91 |
| LR-: 0.04 (0.01-0.17) | 0 |