Research Article

Frequencies of Blood Group Systems MNS, Diego, and Duffy and Clinical Phases of Carrion’s Disease in Amazonas, Peru

Table 1

General data and clinical phases of the samples analyzed in this study.

CharacteristicsTomocho-Collicate-Vista HermosaMiraflores
(%) (%)

Sample4036
Sex
 Male17 (42.5)14 (38.9)
 Female23 (57.5)22 (61.1)
 Total40 (100.0)36 (100.0)
Age
  ± SD years23.5 ± 10.629.5 ± 22.9
Clinical phases*
 Acute phase only1a12
 Chronic phase only220
 Acute and chronic phases01b
 No reported disease or healthy1723
  Total4036
 Total for analysis39 a35 b

  ± SD is the mean ± standard deviation.
*Clinical phases’ data of each individual were obtained by self-report (personal interviews) and/or review of clinical records for verification of treatment or supervision of the Carrion’s disease.
aOne individual had acute phase and was removed from the analysis “blood group versus clinical phase” in Tomocho-Collicate-Vista Hermosa area, reducing our sample from 40 to 39 individuals.
bOne individual had acute and chronic phases and was removed from the analysis “blood group versus clinical phase” in Miraflores area, reducing our sample from 36 to 35 individuals.