Table 1. Comparison of blood culture, T. cruzi genotype and parasite load in asymptomatic patients with chronic Chagas disease.

Blood Sample	Collection Date	Number of positive tubes	Blood culture	Parasite load ± SD (par. eq.⁄mL)	DTU	Age
009a	09⁄23⁄2011	1	POS	0.79±0.18	TcII	58
0020a	10⁄21⁄2011	0	NEG	NEG	-	48
0020b	09⁄19⁄2014	2	POS	0.37±0.26	TcII
0024a	10⁄25⁄2011	6	POS	36.82±3.50	TcII	33
0024b	11⁄12⁄2014	5	POS	13.25±3.03	TcII
0025a	01⁄11⁄2011	0	NEG	NEG	-	40
0040a	11⁄18⁄2011	1	POS	NEG	TcII	62
0041a	11⁄18⁄2011	0	NEG	NEG	-	56
0041b	09⁄26⁄2014	0	NEG	0.09±0.06	-
0048a	11⁄29⁄2011	7	POS	85.81±6.22	TcII	38
0052a	12⁄02⁄2011	1	POS	NEG	ND	37
0054a	12⁄06⁄2011	1	POS	NEG	TcV or VI	38
0054b	11⁄14⁄2014	0	NEG	NEG	-
0061a	02⁄13⁄2012	0	NEG	2.97±0.02	-	42
0061b	10⁄03⁄2014	0	NEG	0.32±0.08	-
0062a	02⁄13⁄2012	0	NEG	NEG	-	36
0062b	10⁄03⁄2014	0	NEG	0.04±0.01	-
0063a	03⁄02⁄2012	0	NEG	0.01±0.01	-	44
0063b	09⁄19⁄2014	0	NEG	0.30±0.16	-
0064a	03⁄02⁄2012	1	POS	NEG	TcII	52
0064b	11⁄28⁄2014	2	POS	3.15±0.43	TcII
0067a	03⁄09⁄2012	2	POS	NEG	TcII	70
0069a	03⁄20⁄2012	0	NEG	2.58±1.42	-	37
0069b	10⁄03⁄2014	2	POS	0.10±0.03	TcII
0072a	03⁄27⁄2012	0	NEG	4.81±0.77	-	52
0076a	04⁄03⁄2012	0	NEG	NEG	-	36
0078a	04⁄17⁄2012	0	NEG	NEG	-	60
0078b	09⁄12⁄2014	0	NEG	0.27±0.10	-
0084a	04⁄24⁄2012	0	NEG	0.55±0.15	-	37
0086a	04⁄24⁄2012	0	NEG	NEG	-	37
0086b	09⁄26⁄2014	2	POS	0.17±0.03	ND
0088a	04⁄05⁄2012	3	POS	0.96±0.34	TcII	34
0092a	05⁄15⁄2012	0	NEG	NEG	-	43
0092b	11⁄18⁄2014	0	NEG	NEG	-
0094a	05⁄29⁄2012	0	NEG	0.31±0.02	-	36

SD: standard deviation, par. eq./mL: parasite equivalent per milliliter of blood, POS: positive, NEG: negative, ND: not done, a: first sample collected from the patient, b: second sample collected from the patient, DTU: discrete typing units.