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Table 1 Trypanosoma cruzi parasite load in domestic and sylvatic hosts, at Pampa del Indio 2008–2017 and Misiones 2011

From: Over-dispersed Trypanosoma cruzi parasite load in sylvatic and domestic mammals and humans from northeastern Argentina

Predictor

Number of hostsa

Median parasite load (Pe/ml)

incidence rate ratio

Standard error

95% Confidence interval

Host species

 Humans

88

0.2

1.0

 Didelphis albiventris

13

13.8

97.8

46.1

38.9–246.2*

 Dasypus novemcinctus

10

38.3

2354.3

1262.7

822.9–6735.7*

 Canis lupus familiaris

68

5.5

49.4

14.6

27.7–88.1*

 Felis catus

12

9.7

279.5

138.7

105.7–739.3*

Sex

 Female

79

0.6

1.0

 Male

107

1.4

1.2

0.3

0.7–2.0

  1. *Statistically significant
  2. aTwo dogs and 1 cat for which sex was not determined were excluded from this analysis