Table 2.

Perinatal characteristics

	Finnish-type disease N = 33	Non-Finnish-type without syndrome N = 26	Non-Finnish-type with syndrome N = 24
Age at diagnosis, months, median (range)	0.0 (0.0–2.0)	7.0 (0.0–12.0)	1.0 (0.0–10.0)
Gestational week (range)	36w4d (30w6d–40w6d)	39w5d (35w4d–42w0d)	38w4d (33w3d–41w3d)
Height at birth, cm, median (range)	45.6 (32.4–50.0)	48.0 (45.8–54.0)	47.3 (42.5–51.0)
Weight at birth, g, median (range)	2298 (1061–3066)	3078 (2036–3580)	2759 (1493–3600)
Oligohydramnios (+)a	6/22	1/17	1/14
Large placenta (+)a	30/30	4/17	4/12

d days, w weeks

^aThe denominator represents the number of patients for whom responses regarding oligohydramnios and large placenta were obtained