From: An increase in cesarean section rate during the first wave of COVID-19 pandemic in Iran
Characteristics | Pandemic period N = 584,150 | Pre-pandemic period N = 624,521 | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Normal delivery N = 307,188 | CS delivery N = 317,333 | p-value | Normal delivery N = 275,014 | CS delivery N = 309,136 | p-value | ||||||
N | % | N | % | N | % | N | % | ||||
Maternal age (year) |  ≤ 30 | 177,252 | 54.4 | 148,506 | 45.6 | .001 | 202,314 | 56.4 | 156,417 | 43.6 | .001 |
 > 30 | 97,762 | 37.8 | 160,630 | 62.2 | 104,874 | 39.5 | 160,916 | 60.5 | |||
Gestational age (week) | 37–42 | 255,338 | 48.3 | 272,827 | 51.7 | .001 | 284,990 | 50.4 | 280,020 | 49.6 | .001 |
 < 37 | 18,997 | 34.6 | 35,947 | 65.4 | 21,469 | 36.8 | 36,933 | 63.2 | |||
 > 42 | 679 | 65.2 | 362 | 34.8 | 729 | 65.7 | 380 | 34.3 | |||
Parity | 1 | 94,641 | 44.1 | 120,116 | 55.9 | .001 | 101,414 | 44.5 | 126,357 | 55.5 | .001 |
 ≥ 2 | 79,543 | 53.6 | 68,782 | 46.4 | 84,846 | 54.8 | 69,969 | 45.2 | |||
Abortion | 0 | 221,764 | 48.5 | 235,184 | 51.5 | .001 | 249,989 | 50.8 | 242,139 | 49.2 | .001 |
 ≥ 1 | 53,250 | 41.9 | 73,952 | 58.1 | 57,199 | 43.2 | 75,194 | 56.8 | |||
Living children | 0 | 104,127 | 45.6 | 124,284 | 54.4 | .001 | 125,553 | 49.9 | 126,289 | 50.1 | .001 |
1 | 94,344 | 44.1 | 119,729 | 55.9 | 100,821 | 44.6 | 125,129 | 55.4 | |||
 ≥ 2 | 76,543 | 54.0 | 65,123 | 46.0 | 80,814 | 55.1 | 65,915 | 44.9 | |||
Mother’s education | Illiterate | 16,309 | 48.4 | 17,393 | 51.6 | .001 | 23,869 | 69.7 | 10,377 | 30.3 | .001 |
Primary education | 76,562 | 46.9 | 86,523 | 53.1 | 58,547 | 62.2 | 35,519 | 37.8 | |||
Secondary education | 104,062 | 46.6 | 119,314 | 53.4 | 168,104 | 50.9 | 162,395 | 49.1 | |||
Academic | 78,081 | 47.6 | 85,906 | 52.4 | 56,668 | 34.2 | 109,042 | 65.8 | |||
Birth weight (gr) |  < 2500 | 17,990 | 36.6 | 31,215 | 63.4 | .001 | 20,613 | 39.2 | 31,926 | 60.8 | .001 |
2500–4000 | 249,416 | 48.3 | 267,153 | 51.7 | 278,784 | 50.4 | 274,795 | 49.6 | |||
 > 4000 | 7608 | 41.4 | 10,768 | 58.6 | 7785 | 42.3 | 10,612 | 57.7 |