TABLE 3.
Clinical and serologic information from children with positive modified two-tiered testing and negative conventional two-tiered testing (n = 21)a
Suspected stage of Lyme disease | Age (yr) | Symptom duration ≤30 days | eIA |
Band(s) (kDa) |
Classification | Subcategoryc | ||
---|---|---|---|---|---|---|---|---|
WCS | C6 | IgG | IgM | |||||
Early | 6 | Y | 1.99 | 1.35 | 41 | None | PSC | PSC1 |
Early disseminated | 2 | Y | 1.10 | 0.98 | 41 | None | FPM | FPM5 |
3 | Y | 1.96 | 1.49 | 58, 41 | None | FPM | FPM5 | |
4 | N | 1.01 | 1.52 | 66, 41 | None | FPM | FPM4 | |
9 | N | 1.11 | 1.10 | 41 | None | FPM | FPM1 | |
11 | Y | 1.72 | 1.06 | 41 | None | FPM | FPM5 | |
11 | N | 1.13 | 1.35 | 41, 23 | 41, 23 | FPM | FPM6 | |
12 | N | 1.18 | 1.05 | 41 | None | FPM | FPM1 | |
13 | N | 2.41 | 2.15 | 41, 39, 18 | None | PSR | PSR6 | |
15 | N | 4.26 | 6.50 | 66, 41, 23 | 41, 39, 23 | PSC | PSC3 | |
16 | N | 1.59 | 5.40 | None | 41, 23 | PSC | PSC3 | |
Late | 2 | Y | 1.97 | 3.01 | 41, 39 | None | FPM | FPM3 |
3 | Y | 4.29 | 6.69 | 45, 41 | None | FPM | FPM2 | |
5b | Y | 1.11 | 1.23 | 41 | None | PSC | PSC2 | |
6 | N | 2.42 | 5.07 | 93, 58, 39, 18 | 41 | PSR | PSR6 | |
8 | N | 1.06 | 3.12 | 66, 41, 23, 18 | None | PSR | PSR6 | |
9 | N | 1.08 | 1.02 | 41 | None | FPM | FPM4 | |
11 | Y | 4.68 | 1.16 | 66, 41 | None | FPM | FPM3 | |
13 | N | 1.01 | 0.99 | None | None | FPM | FPM4 | |
15 | Y | 1.22 | 1.04 | None | None | FPM | FPM4 | |
17 | N | 1.07 | 1.04 | 39 | None | FPM | FPM4 |
PSC, partial seroconversion; PSR, partial seroreversion; FPM, false-positive MTTT.
This child had a recent history of physician-diagnosed erythema migrans.
See the supplemental material for category descriptions.