Table 3.

 SF-36 scale scores by injection method. Values are mean (SD, range) unless stated otherwise

Scale	Baseline				Month 1				Month 3			1998 US norms*
	Blind (n=33)	Fluoroscopically guided (n=32)	P value		Blind (n=32)	Fluoroscopically guided (n=30)	P value		Blind (n=20)	Fluoroscopically guided (n=15)	P value
Physical functioning	36.1 (24.5, 0.0-95.0)	33.1 (22.7, 5.0-75.0)	0.62		43.6 (21.8, 5.0-95.0)	45.2 (29.9, 5.0-95.0)	0.81		44.5 (22.0, 5.0-90.0)	45.7 (26.7, 5.0-90.0)	0.89	83.0
Physical roles	25.0 (38.5, 0.0-100.0)	18.8 (29.1, 0.0-100.0)	0.46		37.5 (42.1, 0.0-100.0)	38.3 (43.9, 0.0-100.0)	0.94		35.0 (39.2, 0.0-100.0)	28.3 (37.6, 0.0-100.0)	0.61	77.9
Bodily pain	40.5 (16.8, 10.0-77.5)	35.7 (20.0, 0.0-77.5)	0.31		55.5 (19.3, 10.0-90.0)	58.3 (21.5, 32.5-100.0)	0.58		48.3 (19.0, 10.0-90.0)	48.5 (22.7, 22.5-90.0)	0.97	70.2
General health	63.8 (13.3, 35.0-92.0)	55.3 (22.4, 15.0-97.0)	0.07		67.3 (17.1, 30.0-92.0)	58.1 (25.0, 20.0-100.0)	0.10		65.6 (18.6, 20.0-97.0)	59.7 (19.6, 25.0-87.0)	0.37	70.1
Vitality	40.6 (20.9, 10.0-80.0)	39.1 (18.7, 0.0-75.0)	0.75		50.9 (18.5, 0.0-80.0)	44.7 (25.3, 5.0-85.0)	0.27		49.8 (20.0, 20.0-80.0)	41.0 (19.0, 5.0-80.0)	0.20	57.0
Social functioning	61.7 (22.1, 25.0-100.0)	52.3 (26.6, 0.0-100.0)	0.13		69.9 (21.7, 25.0-100.0)	64.2 (26.2, 12.5-100.0)	0.35		66.9 (27.3, 25.0-100.0)	62.5 (23.1, 25.0-100.0)	0.61	83.6
Emotional roles	52.5 (42.5, 0.0-100.0)	54.2 (44.6, 0.0-100.0)	0.88		69.8 (37.3, 0.0-100.0)	56.7 (45.6, 0.0-100.0)	0.22		71.7 (34.7, 0.0-100.0)	53.3 (39.4, 0.0-100.0)	0.16	83.1
Mental health	70.9 (16.6, 32.0-96.0)	68.0 (19.3, 24.0-100.0)	0.52		76.0 (15.2, 48.0-100.0)	65.5 (20.8, 24.0-92.0)	0.03		73.6 (16.2, 40.0-96.0)	65.3 (23.4, 20.0-92.0)	0.25	75.2

*SF-36 normative data for US general population in 1998. Available at www.sf-36.org/cgi-bin/nbscalc/nbs2.cgi?PF=100&RP=100&BP=100&GH=100&VT=100&SF=100&RE=100&MH=100&CC=us2.