Table 1.

Retained vs Lost cohort

	Retained cohort – two assessments N = 136	Lost cohort – one assessment N = 12	P-value*
Age, yr, mean (sd)	66.5 (9.8)	67.8 (8.6)	0.62
Female, n (%)	80 (59)	9 (75)	0.36
Body Mass Index, kg/m2, mean (sd)	32.5 (7.0)	32.7 (8.8)	0.94
Timed Up-and-Go, s	14.0 (8.1)	16.7 (10.6)	0.61
Six-minute walk test, m	332.2 (112.5)	250.2 (84.9)	0.10
Visual analogue scale, Pain (index joint), cm	6.7 (2.0)	6.4 (1.6)	0.46

*Independent sample t-tests or Fisher’s Exact Test; sd, standard deviation.