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Table 1 Subjects baseline characteristics

From: The Selvester QRS score as an estimative of myocardial injury in acute chagasic patients from the Brazilian Amazon

Variable

Total

Control group

ACD Cases group

p-value

(n = 62)

(n = 31)

(n = 31)

Before Treatment

After Treatment

Male

32 (52%)

16 (52%)

16 (52%)

  

1.000†

Female

30 (48%)

15 (48%)

15 (48%)

   

Age (y)

40 ± 17

43 ± 16

38 ± 19

  

0.454**

QRS scoring

1.2 ± 1.9

0,06 ± 0.36

 

1.1 ± 1.5‡‡

2.6 ± 2.2‡‡

< 0.001‡

Predicted LV infarct (%)

3.7 ± 5.5

0.2 ± 1.1

 

3.3 ± 4.5‡‡

7.7 ± 6.6‡‡

< 0.001‡

LVEF (%)

73 ± 6.3

75 ± 4.6

73 ± 7.3

  

0.092‡

NYHA I

61 (98.4%)

31 (100%)

 

30 (97%)

31 (100%)

 

NYHA III

1 (1.6%)

  

1 (3%)

  
  1. LV left ventricular, LVEF left ventricular ejection fraction, NYHA-FC New York Heart Association Functional Classification. Data are expressed as mean ± SD. In parenthesis is the percentage of the total group. **One-way analysis of variance by ranks-Kruskal-Wallis test. † Pearson’s chi-squared. ‡ One-way analysis of variance (ANOVA). ‡‡ p < 0.05 Tukey test for comparisons with control group