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

		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