Table 2. Study outcome data.

	Baseline			4-Weeks			12-Weeks
	Mean±SD	Median	Min-Max	Mean±SD	Median	Min-Max	Mean±SD	Median	Min-Max
VAS
Exercise only	63.6±9.9	60	50-90	35.2±11.2	40	10-60	32.0±11.9	30	10-50
Injection and exercise	67.6±8.8	70	50-80	18.0±10.4	20	0-30	12.8±11.7	10	0-40
NHP
Exercise only	224.8±115.0	205.2	62.5-480.2	141.5±81.3	103.3	25.0-331.9	140.5±81.2	112.4	25.0-323.0
Injection and exercise	278.8±128.8	270.2	75.0-523.8	112.8±88.5	101.9	0-330.5	97.9±91.7	87.2	0-355.5
SD: Standard deviation; VAS: Visual Analog Scale; NHP: Nottingham health profile.