Table 2.
Adverse Maternal and Perinatal Outcomes of Pregnant Women in HBMNMSS from 2013 to 2017
| Outcomes | 10–19 years | 20–24 years | 25–34 years | F/χ2 | P |
|---|---|---|---|---|---|
| (n = 3679) | (n = 53,383) | (n = 181,536) | |||
| n (%) | n (%) | n (%) | |||
| Cesarean delivery | 1439 (39.1) | 24,228 (45.4) | 94,563 (52.1) | 931.997 | 0.000 |
| Anemia | 900 (24.5) | 12,683 (23.8) | 48, 367 (26.6) | 182.959 | 0.000 |
| Gestational diabetes mellitus | 49 (1.3) | 1035 (1.9) | 7371 (4.1) | 596.689 | 0.000 |
| Preeclampsia | 95 (2.6) | 1360 (2.5) | 4287 (2.4) | 6.575 | 0.037 |
| HELLP syndrome | 5 (0.1) | 25 (0.0) | 144 (0.1) | 8.01 | 0.018 |
| Placenta previa | 7 (0.2) | 99 (0.2) | 825 (0.5) | 80.645 | 0.000 |
| Placental abruption | 11 (0.3) | 129 (0.2) | 477 (0.3) | 0.949 | 0.622 |
| Postpartum hemorrhage | 11 (0.3) | 135 (0.3) | 565 (0.3) | 4.726 | 0.094 |
| Maternal death | 1 (0.0) | 4 (0.0) | 3 (0.0) | 10.525 | 0.005 |
| Preterm delivery | 275 (7.5) | 2752 (5.2) | 9504 (5.2) | 37.638 | 0.000 |
| Small for gestational age | 528 (14.4) | 6507 (12.2) | 20,977 (11.6) | 40.595 | 0.000 |
| Lower Apgar at 5 min | 12 (0.3) | 136 (0.3) | 388 (0.2) | 4.953 | 0.084 |
| Stillbirth | 41 (1.1) | 221 (0.4) | 593 (0.3) | 68.637 | 0.000 |
| Neonatal death | 18 (0.5) | 121 (0.2) | 332 (0.2) | 20.49 | 0.000 |
Data of the pregnant women was collected from Hebei Province Maternal Near Miss Surveillance System (HBMNMSS) from 2013 to 2017. The values shown are n (%). HELLP syndrome: hemolysis, elevated liver enzymes, and low platelet count syndrome