TABLE 1.

Agreement between MTTT and CTTT strategies overall and by symptom stage

Stage (n)	MTTT result	CTTT result		% Agreement (95% CI)	Kappa (95% CI)
		Positive	Negative
Overall (1,066)	Positive	144	21	96.9 (95.7–97.8)	0.88 (0.84–0.92)
	Negative	12	889
Erythema migrans lesion (21)	Positive	3	1	95.2 (77.3–99.2)	0.83 (0.51–1.00)
	Negative	0	17
Symptoms of early disseminated Lyme disease (371)	Positive	45	10	95.7 (93.1–97.3)	0.82 (0.74–0.90)
	Negative	6	310
Symptoms of late Lyme disease (674)	Positive	96	10	97.6 (96.2–98.5)	0.91 (0.87–0.95)
	Negative	6	562