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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.