Table 4. Percentage of agreement, point and interval estimates of kappa coefficient of 135 blood samples obtained from 91 Chagas disease patients from different endemic regions of the state of Minas Gerais (southern Brazil).

qPCR	Blood culture	Percentage (Number of patients/total)	Agreement Coefficient	Type of agreement
Positive	Positive	38.5 (52/135)	0.374 [0.205; 0.542]	Fair
Negative	Positive	11.1 (15/135)
Positive	Negative	20.0 (27/135)
Negative	Negative	30.4 (41/135)