Validity and responsiveness of the EQ-5D in assessing and valuing health status in patients with somatoform disorders

Brettschneider, Christian; König, Hans-Helmut; Herzog, Wolfgang; Kaufmann, Claudia; Schaefert, Rainer; Konnopka, Alexander

doi:10.1186/1477-7525-11-3

Table 5 Association between response level of EQ-5D items and score of other measures

From: Validity and responsiveness of the EQ-5D in assessing and valuing health status in patients with somatoform disorders

Other measures		Mean score of other measures by response level of EQ-5D item
	EQ-5D item	Mobility			Self Care			Usual Activity			Pain/ Discomfort			Anxiety/ Depression
	Problems:	No	Yes	d ^a	No	Yes	d ^a	No	Yes	d ^a	No	Yes	d ^a	No	Yes	d ^a
Symptoms	PHQ-15
	● Sum score	11.99	14.4	−0.51^**	12.54	17.00	−1.13 ^*	11.3	14.23	−0.64^**	9.56	13.15	−0.78^**	11.17	13.44	−0.20^**
	PHQ-9
	● Sum score	8.68	10.95	−0.43^**	9.21	12.89	−0.61	7.57	11.29	−0.73^**	7.18	9.65	−0.49	6.37	10.83	−0.94 ^**
Illness worries	WI-7
Illness worries	● Sum score	9.93	13.27	−0.52^**	10.68	17.44	−1.14	8.83	13.08	−0.69^**	7.92	11.34	−0.55^*	8.34	12.17	−0.64^**
Health-related quality of life	SF-36
	● Physical component score	45.76	34.18	1.61 ^**	42.85	29.89	1.92 ^**	46.44	38.13	1.04 ^**	52.15	40.96	1.50 ^**	43.05	42.14	0.10
	● Mental component score	41.20	40.56	0.06	41.14	37.37	0.32	44.81	36.72	0.81 ^**	43.81	40.59	0.30	49.00	36.97	1.32 ^**
	Physical functioning	80.14	46.84	1.70 ^**	71.71	36.36	1.69 ^**	81.22	59.25	1.03 ^**	90.58	67.57	1.23 ^**	75.02	68.39	0.28
	Role physical	71.79	56.55	0.55^**	68.51	33.33	1.23 ^**	77.60	55.94	0.86 ^**	84.62	64.80	0.87 ^**	75.76	63.21	0.49^**
	Bodily pain	54.66	29.52	1.24 ^**	48.32	20.78	1.46 ^**	57.53	36.53	0.94 ^**	76.92	42.98	1.45 ^**	52.38	44.99	0.30
	General health perceptions	53.06	41.10	0.72^**	50.06	36.33	0.77	56.85	41.83	0.90 ^**	63.92	47.45	0.95 ^**	55.71	46.56	0.51^**
	Vitality	43.14	30.40	0.67^**	39.97	24.63	0.75	48.94	28.85	1.17 ^**	53.12	37.42	0.78^**	50-57	33.88	0.90 ^**
	Social functioning	65.95	52.23	0.50^**	62.50	47.22	0.53	75.57	47.93	1.17 ^**	74.68	60.10	0.53^*	78.41	53.72	0.97 ^**
	Role emotional	69.84	61.51	0.29	68.19	44.44	0.73	76.19	57.55	0.70^**	79.49	65.62	0.53^*	83.84	59.15	1.01 ^**
	Mental health	56.50	50.94	0.27	55.27	43.56	0.55	61.82	47.22	0.79^**	62.77	53.71	0.48	68.29	48.12	1.17 ^**

There were missing values for some of the other measures used for comparison; the number of observations is presented in Table 3; p-values for differences in scores: ^* p < 0.003; ^** p < 0.001; ^a |d| = effect size (Cohen´s d), large effect sizes (|d| ≥ 0.8) are printed bold. This analysis is based on baseline data.

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ISSN: 1477-7525

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