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Table 2 Days of hospital stay, oxygen support and non-invasive ventilation; numbers of chest X rays and i.v. infusions

From: Hospitalizations for bronchiolitis among infants before and after the SARS-CoV-2 pandemic: an area-based study of the Emilia-Romagna Region, Italy

Admissions, n (%)

RSV

3108 (70.7)

Non-RSV

1288 (29.3)

RSV and Non-RSV

4396 (100)

P-value

Length of stay, mean (SD)

5.6 (± 0.8)

5 (± 0.6)

5.4 (± 0.8)

0.07

Oxygen support, n (%)

2,169 (69.8)

720 (55.9)

2,889 (65.7)

< 0.01

Non-invasive ventilation, n (%)

266 (8.6)

78 (6.1)

344 (7.8)

< 0.01

Chest X ray, n (%)

475 (15.3)

184 (14.3)

659 (15.0)

0.43

I.v. infusions, n (%)

810 (26.1)

274 (21.3)

1,084 (24.7)

< 0.01

  1. RSV: respiratory syncytial virus
  2. n, number of cases
  3. SD: standard deviation
  4. i.v.: intravenous
  5. Z-test was carried out to test the null hypothesis that the proportion of cases in several groups are the same. T-test was carried out to test the null hypothesis that the means in several groups are the same