Relationship between CTX-II and patient characteristics, patient-reported outcome, muscle strength, and rehabilitation in patients with a focal cartilage lesion of the knee: a prospective exploratory cohort study of 48 patients

Table 2 Correlations between CTX-II ^a and Knee Injury and Osteoarthritis Outcome Score (KOOS) at baseline, follow-up and change from baseline to follow-up

	Baseline CTX-II vs. baseline KOOS (n = 48)		Follow-up CTX-II vs. follow-up KOOS (n = 44)		Δ^bCTX-II vs. Δ^bKOOS (n = 44)
	r^c	p^d	r^c	p^d	r^c	p^d
KOOS Pain	-0.093	ns	0.091	ns	0.078	ns
KOOS Symptoms	-0.140	ns	0.082	ns	0.251	ns
KOOS ADL^e	-0.190	ns	0.124	ns	0.058	ns
KOOS Sport/Rec	-0.161	ns	0.199	ns	-0.077	ns
KOOS QoL^f	-0.088	ns	0.060	ns	-0.114	ns

^aLog transformed values; ^bΔ, change from baseline to follow-up; ^cr, Pearson correlation coefficient; ^dp, level of significance; ns, not significant; ^eADL, Activity of Daily Living; ^fQoL, Quality of Life.

ISSN: 1471-2474