Table 3.

The outcome scores in the thoracic and lumbar spines separately after 3 weeks, 3, 6 and 12 months

	Time	Thoracic spine (n = 58) (n = 55)§		Lumbar spine (n = 49) (n = 46)§		Difference between T/S and L/S
		Mean	SD	Mean	SD	P
von Korff’s pain intensity score	3 weeks	70.7	21.9	71.0	16.0	NS
	3 months	62.1*	21.0	60.7*	22.0	NS
	6 months	62.0*	20.1	59.2*	23.3	NS
	12 months	63.8*	21.0	56.6*	24.8	NS
von Korff’s disability score	3 weeks	66.5	23.9	71.8	23.2	NS
	3 months	54.1*	24.1	59.0*	27.1	NS
	6 months	50.0*	25.0	52.3*	30.5	NS
	12 months	54.7*	24.8	53.0*	31.3	NS
EQ-5D	3 weeks	0.38	0.37	0.37	0.37	NS
	3 months	0.58*	0.27	0.45	0.43	NS
	6 months	0.56*	0.31	0.52*	0.41	NS
	12 months	0.51	0.36	0.53*	0.41	NS
Hannover ADL score	3 weeks	36.8	23.0	38.9	21.1	NS
	3 months	49.8*	23.4	45.8	26.8	NS
	6 months	45.7*	24.8	45.9	28.3	NS
	12 months	45.7*	24.8	49.8*	28.2	NS

NS not significant

* Comparison with 3 weeks result, significant difference P < 0.05

^§Number of patients for the von Korff’s disability score analysis = total 101 patients