Table 1 Demographic information of children delivered via cesarean section in Taiwan from 2015 to 2020
GA, n (%) | NA, n (%) | P-valuea | |
|---|---|---|---|
Overall, n | 6973 | 318,336 | |
Maternal age at delivery (years) | |||
 < 30 | 1797 (25.77) | 84,525 (26.55) |  < 0.001 |
 30–34 | 2403 (34.46) | 119,849 (37.65) | |
 35–39 | 2224 (31.89) | 93,194 (29.28) | |
 ≥ 40 | 549 (7.87) | 20,768 (6.52) | |
Socioeconomic deprivation | 37 (0.53) | 875 (0.27) |  < 0.001 |
Gestational status | |||
 Coagulopathy or thrombocytopenia | 187 (2.68) | 1218 (0.38) |  < 0.001 |
 Hypertension or gestational hypertension | 503 (7.21) | 11,134 (3.50) |  < 0.001 |
 Preeclampsia or eclampsia | 634 (9.09) | 10,038 (3.15) |  < 0.001 |
 Diabetes mellitus or gestational diabetes mellitus | 1057 (15.16) | 23,521 (7.39) |  < 0.001 |
 Obesity | 28 (0.40) | 457 (0.14) |  < 0.001 |
 Fetal distress | 651 (9.34) | 5893 (1.85) |  < 0.001 |
 Congenital anomalies | 349 (5.01) | 3477 (1.09) |  < 0.001 |
 Premature rupture of membranes | 624 (8.95) | 11,946 (3.75) |  < 0.001 |
 Placenta previa | 783 (11.23) | 14,920 (4.69) |  < 0.001 |
 Placental abruption | 456 (6.54) | 3176 (1.00) |  < 0.001 |
 Antepartum hemorrhage | 230 (3.30) | 4290 (1.35) |  < 0.001 |
 Late pregnancy | 513 (7.36) | 11,006 (3.46) |  < 0.001 |
Delivery status | |||
 Gestational age (weeks), median (Q1–Q3) | 38 (36–39) | 38 (37–39) |  < 0.001 |
 Preterm delivery (< 37 weeks) | 1976 (28.34) | 27,281 (8.57) |  < 0.001 |
 Birth weight (g), median (Q1-Q3) | 2930 (2496–3260) | 3065 (2810–3340) |  < 0.001 |
 Low birth weight (< 2,500 g) | 1749 (25.08) | 23,275 (7.31) |  < 0.001 |
 1-min Apgar score | 8 (7–9) | 8 (8–9) |  < 0.001 |
 < 7 | 1553 (22.27) | 6598 (2.07) |  < 0.001 |
 ≧7 | 5420 (77.73) | 311,738 (97.93) | |
 5-min Apgar score | 8 (7–10) | 8 (8–10) |  < 0.001 |
 < 7 | 1523 (21.84) | 6496 (2.04) |  < 0.001 |
 ≧7 | 5450 (78.16) | 311,840 (97.96) | |
Surgery duration (hours) | |||
 < 2 | 6215 (89.13) | 312,727 (98.24) |  < 0.001 |
 2–4 | 623 (8.93) | 5508 (1.73) | |
 > 4 | 135 (1.94) | 101 (0.03) | |
 NICU admission | 884 (12.68) | 5444 (1.71) |  < 0.001 |
Length of hospital stay of the infant (days) | |||
 0 | 5551 (79.61) | 306,789 (96.37) |  < 0.001 |
 1–6 | 471 (6.75) | 5294 (1.66) | |
 ≧7 | 951 (13.64) | 6253 (1.96) | |
Infant sex | |||
 Male | 3807 (54.60) | 167,370 (52.58) | 0.001 |
 Female | 3166 (45.40) | 150,966 (47.42) | |