. 2019 Dec 16;30(4):2231–2240. doi: 10.1007/s00330-019-06542-9

Table 1.

Eligibility criteria

Non-OA subjects	OA subjects
Referred for knee MRI	Referred for knee MRI
No contra-indication for MRI	No contra-indication for MRI
AP weight-bearing radiograph of index knee^a available	AP weight-bearing radiograph of index knee^a available
No ACL reconstruction in index knee in medical history	No ACL reconstruction in index knee in medical history
KLG0	KLG2 or KLG3
	Knee pain + at least 1 out of 3 following criteria:
	1. Age > 50 years
	2. Stiffness < 30 min
	3. Crepitus

^aAcquired within 2 weeks before or after MRI acquisition

OA, osteoarthritis; MRI, magnetic resonance imaging; AP, anteroposterior; ACL, anterior cruciate ligament; KLG, Kellgren Lawrence grade