Table 2 Neonatal mortality stratified by gestational age groups and birthweight categories among different Apgar score groups at 5 min
Standards | Gestation age (weeks) | Weight birth by gestational age | Low Apgar score | Intermediate Agar score | Normal Apgar score | |||
|---|---|---|---|---|---|---|---|---|
No. of death (rate per 100 birthsa) | Adjusted relative riskb (95%CI) | No. of death (rate per 100 birthsa) | Adjusted relative risk b (95%CI) | No. of death (rate per 100 birthsa) | Adjusted relative risk b (95%CI) | |||
Chinese standards | < 37 | with SGA | 480 (55.76) | 43.96 (36.98–52.26) | 263 (15.87) | 13.47 (11.15–16.26) | 475 (0.99) | 1 (reference) |
without SGA | 1212 (49.96) | 91.67 (79.84–105.24) | 558 (11.74) | 22.90 (19.79–26.49) | 1267 (0.40) | 1 (reference) | ||
Total$ | 1692 (51.48) | 75.83 (66.85–86.01) | 821 (12.79) | 20.33 (17.89–23.11) | 1742 (0.47) | 1 (reference) | ||
≥37 | with SGA | 200 (30.41) | 299.14 (240.94–371.40) | 83 (6.45) | 61.03 (45.02–82.73) | 340 (0.08) | 1 (reference) | |
without SGA | 501 (12.22) | 392.76 (318.69–484.03) | 164 (3.34) | 97.47 (78.47–121.09) | 1711 (0.03) | 1 (reference) | ||
Totalc | 701 (14.64) | 373.15 (310.76–448.07) | 247 (3.92) | 87.23 (72.44–105.05) | 2051 (0.03) | 1 (reference) | ||
The global Intergrowth-21st standards | < 37 | with SGA | 338 (60.82) | 35.22 (28.94–42.85) | 189 (18.92) | 11.45 (9.23–14.19) | 290 (1.38) | 1 (reference) |
without SGA | 1354 (49.58) | 86.41 (75.90–98.36) | 632 (11.67) | 21.86 (19.06–25.06) | 1452 (0.41) | 1 (reference) | ||
Totalc | 1692 (51.48) | 75.09 (66.12–85.29) | 821 (12.79) | 20.18 (17.75–22.94) | 1742 (0.47) | 1 (reference) | ||
≥37 | with SGA | 187 (34.22) | 310.31 (248.46–387.56) | 82 (7.19) | 64.35 (47.44–87.28) | 274 (0.09) | 1 (reference) | |
without SGA | 508 (12.14) | 380.54 (308.81–468.94) | 162 (3.21) | 91.27 (73.53–113.29) | 1772 (0.03) | 1 (reference) | ||
Totalc | 695 (14.60) | 368.90 (307.54–442.50) | 244 (3.91) | 84.15 (69.97–101.20) | 2046 (0.03) | 1 (reference) | ||