Table 1.

EQ-5D-5 L and RAND-36 scores and z-scores for comparison with Norwegian general population norms^* (N = 458).

		Scale score		Z-score
Instrument	n	Mean (SD)	Mean (SD)		P⁎⁎	<5th percentile, n (%)⁎⁎⁎⁎
EQ-5D index ⁎⁎⁎	456	0.82 (0.17)	−0.07 (1.00)		0.13	26 (6)
RAND-36 (range 0 to100)
Physical functioning	457	86.1 (18.2)	−0.04 (1.10)		0.39	42 (9)
Role limitations-physical	457	70.5 (40.1)	−0.17 (1.16)		0.002	73 (16)
Bodily pain	458	75.6 (24.2)	−0.01 (0.96)		0.79	34 (7)
General health	451	65.6 (19.3)	−0.35 (0.95)		<0.001	49 (11)
Energy/fatigue	458	56.8 (23.9)	−0.20 (1.14)		<0.001	58 (13)
Social functioning	458	79.6 (23.9)	−0.32 (1.17)		<0.001	65 (14)
Role limitations-emotional	457	80.2 (35.2)	−0.15 (1.18)		0.008	68 (15)
Emotional well-being	458	78.2 817.6)	−0.16 (1.13)		0.003	49 (11)

^⁎adjusted for age and sex.

^⁎⁎z-score=0.

^⁎⁎⁎range −0.654 to 1.00.

^⁎⁎⁎⁎lower score than the 5th percentile in the norm population (z<−0.1645).