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Table 1 Characteristics of study participants

From: Health-related quality of life of children and adolescents with osteogenesis imperfecta: a cross-sectional study using PedsQL™

Variable n= 52

Frequency no. (%)

Male

29 (55.7)

Age (years)

 5-7

13 (25.0)

 8-12

24 (46.2)

 13-18

15 (28.8)

 Mean (SD)

11.2 ± 4.2

OI type

 I

26 (50.0)

 III

12 (23.1)

 IV

13 (25.0)

 V

1 (1.9)

Treatment

 Sodium pamidronate

25 (48.1)

 Sodium alendronate

01 (01.9)

 Physiotherapy

19 (36.5)

Mobilitya

 Wheelchair

13 (25.0)

 Walk or walk with support

38 (73.0)

Pain in the last month (n=44)

 Yes

19 (43.2)

 No

25 (56.8)

Annual fracture rateb

 Median (IQR)

0.91 (0.47 to 1.67)

 Minimum to Maximum

0.06 to 6.33

Social assistance (n=42)

 Yes

20 (47.6)

 No

22 (52.4)

Socioeconomic status (n=47)

 A

1 (2.1)

 B1

3 (6.4)

 B2

13 (27.7)

 C1

13 (27.7)

 C2

9(19.1)

 D-E

8 (17.0)

  1. aBleck’s criteria [8], modified by Land et al [9], were used to evaluate mobility walking. For statistical calculations, classifications of 0, 1, and 2 were grouped and compared with classifications of 3 and 4. bNumber of fractures/year.