Table 3

Progression to chronic chagasic cardiomyopathy in relation to parasitemia by PCR assay

OutcomeTotal (n=56)PCR positive (n=11)PCR negative (n=45)RR (95% CI)
Data are n (%).
CI, confidence interval; PCR, polymerase chain reaction; RR, relative risk.
Progression (%)12 (21.4)6 (54.55)6 (13.33)4.09 (1.6 to 9.85)
No progression (%)44 (78.6)5 (45.45)39 (86.67)