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Table 3 Percentile values of semiannual scores on the Health Assessment Questionnaire Disability Index (HAQ-DI) found for 1668 men with rheumatoid arthritis observed for 14,600 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

0

0

 

25

0.375

0.375

0.5

0.375

0.375

0.25

0.375

0.375

0.625

 

50

0.75

0.8125

1

1

0.875

0.75

0.875

0.875

0.9375

 

75

1.125

1.375

1.5

1.375

1.5

1.5

1.625

1.625

1.5

 

90

1.75

2

2

2

2

2

2

1.875

1.875

 

95

2

2.375

2.125

2.25

2.375

2.25

2.125

2.25

2

50–59.9

10

0

0

0

0

0

0

0

0

0

 

25

0.5

0.4375

0.5

0.625

0.625

0.75

0.6875

0.875

0.75

 

50

1

0.875

1

1

1.125

1.125

1.125

1.375

1.375

 

75

1.375

1.375

1.5

1.5

1.625

1.75

1.625

2.125

1.75

 

90

1.75

1.75

2

1.875

2

2.125

2.25

2.375

2.25

 

95

2

2

2.25

2.125

2.5

2.5

2.5

2.625

2.5

60–69.9

10

0

0

0

0

0.125

0.125

0.125

0.125

0

 

25

0.375

0.4285

0.625

0.625

0.75

0.625

0.75

0.75

0.75

 

50

0.875

0.875

1.125

1.25

1.125

1.125

1.25

1.25

1.375

 

75

1.25

1.375

1.625

1.625

1.625

1.75

1.75

1.75

1.9375

 

90

1.5

1.75

2

2.125

2

2.125

2.125

2.25

2.375

 

95

1.75

2

2.25

2.375

2.25

2.375

2.5

2.5

2.5

≥ 70

10

0

0

0

0

0

0

0.125

0.125

0.25

 

25

0.375

0.375

0.625

0.75

0.875

0.5

0.625

0.625

0.9375

 

50

0.875

0.875

1

1.25

1.375

1.125

1.25

1.25

1.5

 

75

1.25

1.25

1.375

1.625

1.75

1.625

1.875

1.875

2

 

90

2

1.625

1.875

2.125

2.375

2.125

2.25

2.5

2.5

 

95

2.125

2

2.125

2.375

2.5

2.25

2.5

2.625

2.75