Table 3.

Ceiling effects of the EQ-5D. Distribution (%) of the SF-6D health states in 321 patients with EQ-5D index score 1.

Level	PF	RL	SF	P	MH	VT
1	76.0	91.6	81.9	73.8	38.9	19.6
2	19.9	3.7	9.0	17.4	39.6	48.6
3	4.0	3.4	2.2	7.5	13.1	24.9
4		1.2	0.6	0.6	3.7	5.6
5			6.2	0.6	4.7	1.2
6

PF: physical functioning, RL: role limitation, SF: social functioning, P: pain, MH: mental health, and VT: vitality.