Table 2.
Neonatal characteristics and complications among the 17,957 newborns that were born in the years 2018, 2019, and 2020.
| Year of childbirth | ||||||
|---|---|---|---|---|---|---|
| Before COVID-19 pandemic | During COVID-19 pandemic | |||||
| 2018 | 2019 | p-valuea | 2020 | p-valueb | p-valuec | |
| Number of newborns (n) | 5597 | 6339 | 6021 | |||
| Preterm birth (n, %) | 218 (3.9) | 238 (3.8) | 0.690 | 154 (2.6) | < 0.001 | < 0.001 |
| Admission to neonatal intensive care unit (n, %) | 190 (3.4) | 251 (4.0) | 0.103 | 168 (2.8) | 0.060 | < 0.001 |
| Respiratory distress syndrome (n, %) | 413 (7.4) | 549 (8.7) | 0.010 | 395 (6.6) | 0.083 | < 0.001 |
| Respiratory support (n, %) | 178 (3.2) | 242 (3.8) | 0.059 | 159 (2.6) | 0.083 | < 0.001 |
| Use of artificial pulmonary surfactant (n, %) | 39 (0.7) | 58 (0.9) | 0.185 | 35 (0.6) | 0.434 | 0.032 |
| Low birth weight (n, %) | 330 (5.9) | 353 (5.6) | 0.442 | 224 (3.7) | < 0.001 | < 0.001 |
| Retinopathy of prematurity (n, %) | 37 (0.7) | 41 (0.7) | 0.923 | 14 (0.2) | < 0.001 | < 0.001 |
The denominator for the percentage is the number of newborns.
P-values of Pearson’s chi-square test, a: between 2018 and 2019, b: between 2018 and 2020, and c: between 2019 and 2020 are shown. We used a P value of 0.0167 to indicate significance to correct for multiplicity.