Health-related quality of life among patients with knee osteoarthritis in Guangzhou, China: a multicenter cross-sectional study

Table 3 Top 20 most frequent EQ-5D-5L health states with mean EQ-5D-5L utility and EQ-VAS scores

Health state^a	\(\mathrm{No}.\)	%	Cumulative %	Mean EQ-5D-5L utility	Mean EQ-VAS \(\pm \mathrm{sd}\)
11121	33	6.358	6.358	0.942	75.515 \(\pm\) 12.232
11111	19	3.661	10.019	1.000	79.263 \(\pm\) 16.048
21221	19	3.661	13.680	0.831	77.158 \(\pm\) 17.115
22222	19	3.661	17.341	0.734	65.526 \(\pm\) 17.595
21222	15	2.890	20.231	0.782	72.467 \(\pm\) 10.056
22221	15	2.890	23.121	0.783	70.867 \(\pm\) 11.934
21121	14	2.697	25.819	0.876	67.429 \(\pm\) 14.553
11122	13	2.505	28.324	0.893	71.769 \(\pm\) 13.084
11112	12	2.312	30.636	0.951	78.167 \(\pm\) 10.382
21122	12	2.312	32.948	0.827	61.083 \(\pm\) 21.194
22211	10	1.927	34.875	0.841	73.400 \(\pm\) 12.340
22231	8	1.541	36.416	0.703	59.375 \(\pm\) 17.410
32222	8	1.541	37.958	0.642	66.375 \(\pm\) 14.121
11132	7	1.349	39.306	0.812	70.714 \(\pm\) 12.392
21211	7	1.349	40.655	0.889	73.143 \(\pm\) 17.620
21212	7	1.349	42.004	0.840	75.714 \(\pm\) 13.048
11221	6	1.156	43.160	0.898	71.167 \(\pm\) 10.284
33332	6	1.156	44.316	0.432	66.833 \(\pm\) 15.171
11133	5	0.963	45.279	0.744	53.400 \(\pm\) 22.534
11212	5	0.963	46.243	0.906	63.000 \(\pm\) 15.652

Abbreviations: EQ-5D-5L utility score a single index ‘utility’ score representing the EQ-5D-5L health states, EQ-VAS score EQ visual analogue scale; sd, Standard Deviation
^aHealth states are defined by combining the response levels (1–5) for the five EQ-5D-5L dimensions (Mobility, Self-care, Usual activities, Pain/Discomfort and Anxiety/Depression), ranging from 11,111 (perfect health) to 55,555 (worst health)

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