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Table 1 Demographic characteristics of the study population.

From: Altered cardiac rhythm in infants with bronchiolitis and respiratory syncytial virus infection

Characteristic

RSV- positive

n = 34

RSV-negative

n = 35

Pvalue

Males, No. (%)

18 (52.9)

18 (51.4)

0.90

Mean age at enrolment, days ± SD

142.41 ± 104.8

114.69 ± 108.4

0.22

Type of delivery

   

   Eutocic, No. (%)

20 (58.8)

20 (57.1)

0.89

   Caesarean, No. (%)

14 (41.2)

15 (42.9)

 

Gestational age at birth, mean weeks ± SD

37.06 ± 3.63

36.66 ± 3.80

0.66

Birth weight, mean ± SD

2.95 ± 0.86

2.77 ± 0.75

0.34

Respiratory problems at birth, No. (%)

7 (20.6)

8 (22.9)

0.82

Ventilatory support at birth, No. (%)

5 (14.7)

8 (22.9)

0.39

Patients with respiratory infections in previous 3 months, No. (%)

12 (35.3)

8 (22.9)

0.25

Patients treated with antibiotic courses in previous 3 months, No. (%)

6 (17.7)

5 (14.3)

0.70

  1. SD: standard deviation. P-value for comparison between groups, using chi-square or Fisher's exact test, as appropriate, for categorigal data and Student's test or Wilcoxon rank-sum test, as appropriate, for continuous variables.