Table 1: Profile of the patients according to the type of osteogenesis imperfecta (values in means and standard deviation).

Type of osteogenesis imperfecta

N

Mean age at diagnosis (years)

Mean age at start of treatment

(years)

Total number of fractures

Number of fractures in the last year

Duration of treatment (years)

I

8

2.3 (± 2.7)

3.8 (± 2.3)

8 (± 8.5)

0.1 (± 0.3)

2.3 (± 0.9)

III

13

0.9 (± 2.0)

2.7 (± 3.3)

13 (± 33.6)

1.4 (± 2.4)

9.5 (± 2.9)

IV

3

2.3 (± 2.5)

2.4 (± 2.4)

3 (± 8.1)

1.0 (± 1.0)

6.9 (± 0.5)