Table 3.
Modified Faine criteria part A and part B score categories among cases and control subjects, bivariate analysis and χ2 for trend, CaledoFaine study, New Caledonia, 2018 to 2019
| Score category | Cases, n | Control subjects, n | Total, N | Unadjusted odds ratio | Mantel Haenszel (compared with reference) | P value |
|---|---|---|---|---|---|---|
| Leptospirosis unlikely | 3 | 61 | 64 | 1 | 1 | – |
| Possible leptospirosis | 10 | 8 | 18 | 25.42 | 25.42 | < 0.00001 |
| Presumed leptospirosis | 22 | 1 | 23 | 447.33 | 447.33 | < 0.00001 |
| Total | 35 | 70 | 105 | – | – | – |
For Faine’s modified A + B criteria: leptospirosis presumed if A score ≥ 26 or A + B score ≥ 25, leptospirosis possible if score between 20 and 25.