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The comparison of cutoffs from three methods
| Visual inflection point | Change point analysis | Finite mixture models | |
|---|---|---|---|
| IgM cutoff | 0.47 | 0.47 | 0.49 |
| IgG cutoff | 0.18 | 0.22 | 0.13 |
| IgM seropositivity | 57 (5.5%) | 57 (5.5%) | 47 (4.6%) |
| IgG seropositivity | 27 (2.6%) | 21 (2.0%) | 45 (4.4%) |
| Overall seropositivity* | 83 (8.0%) | 78 (7.6%) | 91 (8.8%) |
*The proportion of samples with positive IgM and/or IgG against scrub typhus.
