Table 1.
Demographics of the overall cohort
| Demographic | Valuea | |
|---|---|---|
| Personal and family history | ||
| Personal historyb | NIHF | 6.9% (4/58) |
| Stillbirth | 5.4% (3/56) | |
| Fetal structural anomaly | 1.9% (1/53) | |
| Family historyb | NIHF | 1.9% (1/54) |
| Stillbirth | 5.6% (3/54) | |
| Fetal structural anomaly | 1.8% (1/56) | |
| Consanguinity | 3.9% (2/51) | |
| Race/ethnicity | ||
| Maternal racec | Asian | 15.7% (8/51) |
| Hawaiian/Other PI | 2.0% (1/51) | |
| White | 74.5% (38/51) | |
| Other | 3.9% (2/51) | |
| Multiracial | 3.9% (2/51) | |
| Maternal ethnicityd | Hispanic/Latina | 43.1% (25/58) |
| Current pregnancy with NIHF | ||
| Maternal age (years) | 29.0 (16–43) | |
| Gestational age at hydrops diagnosis (weeks) | 22.0 (11.3–37.4) | |
| Gestational age at delivery (weeks)e | 33.2 (25.6–39.4) | |
| Pregnancy outcome | Live infant | 25.5% (14/55) |
| Infant demise | 29.1% (16/55) | |
| Stillbirth | 20.0% (11/55) | |
| Spontaneous abortion | 5.5% (3/55) | |
| Termination | 20.0% (11/55) | |
NIHF nonimmune hydrops fetalis, PI Pacific Islander.
a
Median values (with ranges) shown for continuous variables, percent (N) shown for proportions.
b
Excluding cases for which this history was unknown. Family history was entered once for one woman who had two hydropic pregnancies.
c
Thirteen cases were of unknown race or declined to answer. Race was entered once for one woman who had two hydropic pregnancies. There were no women of American Indian or Black race.
d
Six cases were of unknown ethnicity or declined to answer. Ethnicity was entered once for one woman who had two hydropic pregnancies.
e
Excluding terminations, spontaneous losses, and stillbirths