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Table 2 Percentile values of semiannual scores on the Health Assessment Questionnaire Disability Index found for 4768 women with rheumatoid arthritis observed for for 50,047 person-years

From: Percentile benchmarks in patients with rheumatoid arthritis: Health Assessment Questionnaire as a quality indicator (QI)

  

Disease duration (years)

Age group (years)

Percentile

<2

2–3.9

4–5.9

6–7.9

10–11.9

12–13.9

14–15.9

16–17.9

18–19.9

<50

10

0

0

0

0

0

0

0.125

0

0

 

25

0.25

0.25

0.375

0.375

0.5

0.5

0.625

0.5

0.625

 

50

0.875

0.75

0.875

0.875

1.125

1.125

1.125

1.25

1.25

 

75

1.375

1.375

1.375

1.5

1.625

1.625

1.625

1.75

1.875

 

90

1.75

1.75

1.875

1.875

2

2

2.125

2.125

2.25

 

95

2.125

2.125

2.125

2.25

2.25

2.25

2.375

2.375

2.5

50–59.9

10

0

0

0.125

0.25

0.125

0.125

0

0

0.125

 

25

0.375

0.375

0.625

0.625

0.625

0.5

0.5

0.5

0.75

 

50

1

1

1.125

1.25

1.125

1.1875

1.125

1.25

1.375

 

75

1.5

1.5

1.75

1.75

1.75

1.75

1.75

1.875

2

 

90

1.875

2

2.125

2.25

2.25

2.25

2.125

2.25

2.375

 

95

2.125

2.125

2.375

2.375

2.375

2.375

2.5

2.5

2.625

60–69.9

10

0

0

0

0.25

0.125

0.25

0.25

0.375

0.375

 

25

0.25

0.25

0.5

0.75

0.75

0.75

0.75

0.75

1

 

50

0.75

0.875

1.125

1.25

1.375

1.5

1.5

1.5

1.625

 

75

1.25

1.5

1.75

1.875

2

2

2

2

2.125

 

90

1.875

2

2.125

2.25

2.375

2.375

2.5

2.375

2.625

 

95

2.125

2.25

2.375

2.5

2.5

2.625

2.625

2.625

2.875

≥ 70

10

0.125

0.125

0.125

0.125

0.25

0.375

0.375

0.375

0.625

 

25

0.5

0.5

0.5

0.625

0.875

1

1

1.125

1.25

 

50

1

1.125

1.125

1.25

1.5

1.625

1.75

1.75

1.875

 

75

1.625

1.625

1.75

1.875

2

2.125

2.25

2.375

2.375

 

90

2.125

2.125

2.375

2.375

2.375

2.5

2.625

2.75

2.75

 

95

2.375

2.5

2.625

2.625

2.625

2.75

2.75

2.875

2.875

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Arthritis Research & Therapy

ISSN: 1478-6362

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