Table 3.

Comparison of values before and after treatment of knee osteoarthritis.

Dependent variable	Therapy	Descriptive statistics			p values of ANCOVA
		Mean	Std. deviation	N
Resting VAS diff. Tests 1 and 2	Physio + BEMER	15.94	15.67	18	0.9901
	Physio + placebo	20.58	26.68	24
Exercise VAS val. diff. Tests 1 and 2	Physio + BEMER	18.22	17.17	18	0.3630
	Physio + placebo	25.79	21.55	24
Fatigue GFI diff. Tests 1 and 2	Physio + BEMER	6.03	6.08	10	0.4270
	Physio + placebo	4.96	9.57	7
Physical functioning nbs diff. Tests 1 and 2	Physio + BEMER	−2.76	5.25	9	0.6392
	Physio + placebo	−3.83	6.20	17
Role physical nbs diff. Tests 1 and 2	Physio + BEMER	−13.47	13.53	14	0.7978
	Physio + placebo	−9.48	15.85	18
Bodily pain nbs diff. Tests 1 and 2	Physio + BEMER	−6.97	6.35	17	0.7382
	Physio + placebo	−6.59	6.04	17
General heath nbs diff. Tests 1 and 2	Physio + BEMER	−2.96	4.19	13	0.2222
	Physio + placebo	−0.95	3.36	13
Vitality nbs diff. Tests 1 and 2	Physio + BEMER	−7.64	11.28	14	0.0788
	Physio + placebo	−2.38	9.81	20
Social functioning nbs diff. Tests 1 and 2	Physio + BEMER	−8.15	10.50	16	0.2459
	Physio + placebo	−5.90	11.92	17
Role emotional nbs diff. Tests 1 and 2	Physio + BEMER	−13.93	19.70	15	0.8289
	Physio + placebo	−7.96	19.48	14
Mental health nbs diff. Tests 1 and 2	Physio + BEMER	−5.45	11.67	12	0.9227
	Physio + placebo	−3.72	8.51	19
Physical component summary diff. Tests 1 and 2	Physio + BEMER	−2.65	4.30	6	0.8054
	Physio + placebo	−5.86	7.68	7
Mental component summary diff. Tests 1 and 2	Physio + BEMER	−11.58	18.21	6	0.4531
	Physio + placebo	−4.96	7.78	7
WOMAC “A” diff. 1-2	Physio + BEMER	20.11	19.26	17	0.9221
	Physio + placebo	17.81	17.51	24
WOMAC “B” diff. 1-2	Physio + BEMER	15.78	18.41	16	0.7126
	Physio + placebo	14.21	20.91	24
WOMAC “C” diff. 1-2	Physio + BEMER	10.87	15.48	17	0.9848
	Physio + placebo	15.16	14.94	24
WOMAC total diff. 1-2	Physio + BEMER	13.46	15.10	17	0.8817
	Physio + placebo	15.00	13.83	24