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Association of OI type and severity among adults with OI (n = 1440)
| 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) |
