Before COVID-19 group | During COVID-19 group | P a value | |||||||
---|---|---|---|---|---|---|---|---|---|
2017 | 2018 | 2019 | 2020 | ||||||
n = 706 | n = 1142 | n = 996 | n = 1095 | ||||||
n | % | n | % | n | % | n | % | ||
Age | |||||||||
 Mean (SD) | 33.7 | 5.2 | 33.4 | 5.0 | 33.2 | 5.1 | 33.2 | 5.2 | 0.178b |
  < 34 | 395 | 55.9% | 663 | 58.1% | 578 | 58.0% | 645 | 58.9% | 0.665 |
 ≧35 | 311 | 44.1% | 479 | 41.9% | 418 | 42.0% | 450 | 41.1% | |
Parity | |||||||||
 Primipara | 331 | 46.9% | 565 | 49.5% | 494 | 49.6% | 520 | 47.5% | 0.552 |
 Multipara | 375 | 53.1% | 577 | 50.5% | 502 | 50.4% | 575 | 52.5% | |
Birth weeks | |||||||||
 Premature delivery (< 37 weeks) | 34 | 4.8% | 43 | 3.8% | 42 | 4.2% | 44 | 4.0% | 0.736 |
 Full term birth (> 38 weeks) | 672 | 95.2% | 1099 | 96.2% | 954 | 95.8% | 1051 | 96.0% | |
Delivery style | |||||||||
 Vaginal delivery | 501 | 71.0% | 810 | 70.9% | 723 | 72.6% | 793 | 72.4% | 0.756 |
 Caesarean Section | 205 | 29.0% | 332 | 29.1% | 273 | 27.4% | 302 | 27.6% | |
Birth | |||||||||
 Single birth | 690 | 97.7% | 1117 | 97.8% | 948 | 95.2% | 1073 | 98.0% | 0.719 |
 Multiple birth | 16 | 2.3% | 25 | 2.2% | 18 | 1.8% | 22 | 2.0% | |
Birth weight of infant | |||||||||
 Normal or high birth weight infant (> 2500 g) | 643 | 89.1% | 1015 | 87.0% | 902 | 89.0% | 989 | 88.5% | 0.413 |
 Low birth weight infant (< 2500 g) | 79 | 10.9% | 152 | 13.0% | 112 | 11.0% | 128 | 11.5% |