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Table 2 Results from the two study groups

From: A retrospective study on the influence of siblings’ relatedness in Bolivian patients with chronic Chagas disease

Variable

Siblings groups (n = 71)

Control groups (n = 299)

P-value

Available (%)

Concordant (%)

Positive (%)

Negative (%)

Available (%)

Concordant (%)

Positive (%)

Negative (%)

Conc

Pos/Neg

Pre-treatment PCR

39 (54.92)

27 (69.23)

12 (30.77)

15 (38.46)

172 (57.52)

86 (50.00)

23 (13.37)

63 (36.63)

0.023

0.015

Kushnir (>1)

60 (84.50)

46 (76.67)

3 (5.00)

43 (71.67)

297 (99.33)

218 (73.4)

6 (2.02)

212 (71.38)

0.599

0.331

Esophagogram

38 (53.52)

34 (89.47)

34 (89.00)

126 (42.14)

116 (92.06)

116 (92.06)

0.740

0.740

Barium enema

48 (67.60)

36 (75.00)

3 (6.25)

33 (68.75)

221 (73.91)

137 (61.99)

8 (3.62)

129 (58.37)

0.088

0.160

DTH

32 (45.07)

20 (62.50)

15 (46.88)

5 (15.62)

128 (42.80)

77 (60.15)

72 (56.25)

5 (3.91)

0.808

0.064

  1. Notes: The first column of each group reflects the availability of data, meaning that data were complete for the two or three members of each phratry or randomly-generated control group. When data of one or more members of the same group were missing, that group was discarded for statistical analysis. The P-values are recorded in the last two columns. The first column (Conc) is the result of comparing concordance among siblings against that among control groups. The second column (Pos/Neg) is the result of comparing the same results differentiating those with concordant positive or negative results
  2. Abbreviations: n, number of groups