. Author manuscript; available in PMC: 2020 May 1.

Published in final edited form as: Osteoarthritis Cartilage. 2019 Jan 18;27(5):771–780. doi: 10.1016/j.joca.2018.12.026

Table 1.

Descriptive Statistics at Baseline

	Combined Groups (N = 53)	Non-Responders (n = 38)	Responders (n = 15)
Age (years)	62.40 (7.08)	62.89 (7.53)	61.13 (5.84)
Weight (kg)	85.58 (15.45)	83.06 (13.66)	91.97 (18.23)
Body Mass Index (kg/m²)	28.48 (4.14)	28.14 (4.26)	29.33 (3.82)
Number of Bilateral KOA	Bilateral=39	Bilateral=30	Bilateral=9
cases	Unilateral=13	Unilateral=7	Unilateral=6
KL grade	KL 2 = 17	KL 2 = 12	KL 2 =5
	KL 3 = 29	KL 3 = 20	KL 3 = 9
	KL 4 = 7	KL 4 = 6	KL 4 = 1
Sex	27 females	21 females	6 females
Sex	26 males	17 males	9 males
Number of strengthening sessions completed	9.64 (0.74)	9.63 (0.78)	9.67 (0.62)

WOMAC = Western Ontario and McMaster Osteoarthritis Index, KL = Kellgren Lawrence Independent student’s t-tests and chi-square tests of independence confirmed no statistically significant difference (at the p ≤ 0.05 level) between groups for all variables