Table 1 Demographic and obstetric characteristics of the maternal deaths secondary to amniotic fluid embolism in China, 1996–2013
Demographic and obstetric characteristics | Number | Percent |
|---|---|---|
Age (year) Mean (SD) | 30.1 (5.4) | |
Age (year) | ||
< 25 | 85 | 13.3 |
25–29 | 158 | 24.7 |
30–34 | 227 | 35.5 |
> =35 | 170 | 26.5 |
Ethnicity | ||
Han | 557 | 87.0 |
Other | 83 | 13.0 |
Education | ||
Literate | 35 | 5.5 |
Primary | 169 | 26.4 |
High | 396 | 61.9 |
Collage or above | 35 | 5.5 |
Unknown | 5 | 0.8 |
Parity | ||
Primiparas | 309 | 48.3 |
Multiparas | 329 | 51.4 |
Unknown | 2 | 0.3 |
Number of gestations | ||
Singleton | 539 | 84.2 |
Twins | 14 | 2.2 |
Three or more | 12 | 1.9 |
Unknown | 75 | 11.7 |
Number of antenatal visits | ||
0 | 53 | 8.3 |
1 | 36 | 5.6 |
2–4 | 218 | 34.1 |
> =5 | 305 | 47.7 |
Unknown | 28 | 4.4 |