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Table 1 Baseline characteristics

From: Exploring the relationship between North Star Ambulatory Assessment and Health Utilities Index scores in Duchenne muscular dystrophy

Characteristics

DMD sample (n = 61)

Age, years

 Mean (SD)

8.0 (2.4)

 Median (IQR)

8 (6, 9)

 Min, max

5, 16

By group, n (%)a

 5 − 7 years

29 (47.5)

 8 − 11 years

29 (47.5)

 12 − 16 years

3 (4.9)

NSAA total score

 Mean (SD)

21.0 (8.1)

 Median (IQR)

23 (15, 27)

 Min, max

4, 33

6MWT (m)

 Mean (SD)

348 (92)

 Median (IQR)

354 (311, 400)

 Min, max

108, 566

10MWR gradeb

 Mean (SD)

4.8 (1.0)

RFF gradeb

 Mean (SD)

3.3 (1.4)

  1. Abbreviations: 6MWT 6-min walk test, 10MWR 10-m walk/run, DMD Duchenne muscular dystrophy, IQR Interquartile range, m meters, max maximum, min minimum, NSAA North Star Ambulatory Assessment, RFF Rise from floor, SD Standard deviation
  2. aWhile age categories 8 − 11 years and 12 − 16 years were initially investigated, the three patients in the 12 − 16 years category were considered along with the 8 − 11 year old boys, due to small sample size
  3. bn = 55
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Health and Quality of Life Outcomes

ISSN: 1477-7525

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