Skip to main content
. Author manuscript; available in PMC: 2022 Jan 1.
Published in final edited form as: Skeletal Radiol. 2020 Jul 23;50(1):217–229. doi: 10.1007/s00256-020-03550-5

Fig. 1.

Fig. 1

Patient selection from the OAI database.

aHistory of rheumatoid arthritis or other inflammatory arthritis

bHistory of knee arthroscopy for meniscectomy or ligament repair

cHistory of other types of knee surgery (all subjects with arthroscopy excluded)