Table 1.

Patient demographics of knee OA clinical trial

Patient demographic data
Variable	Active ultrasound	Placebo ultrasound	p
n	51	31
Sex (M/F)	23/28	16/17	0.115
Age, years	53.6 ± 8.9	51 ± 9.0	0.198
BMI	34.9 ± 8.85	34.5 ± 8.3	0.834