Table 4

Univariable association between baseline characteristics and knee osteoarthritis (new or progression) on the 6-year MRI

Variable	Univariable 6 year (n=47)
Variable	Pooled OR	Pooled 95% CI	Pooled Sig
Patient characteristics
Age	1.10	1.02 to 1.18	0.01*
Female gender	2.57	0.71 to 9.26	0.15*
Body mass index	1.03	0.87 to 1.23	0.71
Mechanism and symptom characteristics
Trauma during sport	0.23	0.06 to 0.98	0.05*
Pain (11-point scale)	1.16	0.89 to 1.53	0.28
Limitation and pain during daily function (Lysholm <80)	5.48	0.63 to 48.0	0.13*
Instability of the knee (Lysholm)	0.49	0.12 to 1.93	0.31
History of traumatic knee symptoms	1.04	0.28 to 3.87	0.95
History of non-traumatic knee symptoms	4.26	1.09 to 16.7	0.04*
MRI findings
Any lesion	0.56	0.14 to 2.19	0.40
Anterior cruciate ligament tear	0.64	0.15 to 2.81	0.55
Medial collateral ligament lesion	1.27	0.36 to 4.51	0.71
Meniscal tear	1.27	0.36 to 4.51	0.71
Chondral defect	2.70	0.64 to 11.4	0.18*
Osteophytes	10.0	1.71 to 58.4	0.01*
Bone marrow oedema	3.11	0.73 to 13.2	0.12*
Meniscal degeneration	0.38	0.10 to 1.49	0.17*