From: The IMPACT survey: a mixed methods study to understand the experience of children, adolescents and adults with osteogenesis imperfecta and their caregivers
n (%)
Mild
Moderate
Severe
I don’t know or prefer not to say
Type 1 (n = 543)
322 (59)
202 (37)
14 (3)
5 (0.9)
Type 3 (n = 225)
6 (3)
113 (50)
99 (44)
7 (3)
Type 4 (n = 158)
29 (18)
100 (63)
24 (15)
5 (3)