Table 3 Demographic characteristics of unrelated female individuals of European descent included in SCAN2

From: Placenta and appetite genes GDF15 and IGFBP7 are associated with hyperemesis gravidarum

Phenotype Group Total Age < 30 30–44 45–59 ≥60
NVP None 14,988 373 (2.5%) 3332 (22.2%) 5129 (34.2%) 6154 (41.1%)
Slight 14,292 233 (1.6%) 2635 (18.4%) 4831 (33.8%) 6593 (46.1%)
Moderate 17,786 391 (2.2%) 3692 (20.8%) 6233 (35.0%) 7470 (42.0%)
Severe 5445 140 (2.6%) 1298 (23.8%) 1580 (29.0%) 2427 (44.6%)
Very severe 1220 42 (3.4%) 409 (33.5%) 519 (42.5%) 250 (20.5%)