Table 2.

Health-related quality of life of patients with discogenic low back pain.

	Mean	Std. deviation
Rand (36)
Physical functioning	48.25	18.25
Social functioning	52.37	23.60
Role limitations physical	15.31	26.23
Role limitations emotional	59.16	43.40
Mental health	65.10	20.08
Bodily pain	32.88	17.22
Vitality	44.62	17.92
General health	35.62	20.96
Physical sum score	32.52	6.05
Mental sum score	44.67	10.96
EQ-5D-3L
EQ-5D overall health (VAS)	52.51	17.74
UK utility value (EQ-5D)	0.36	0.34

VAS = visual analogue scale.