Status | Without OA in Contralateral Knee | With Lateral OA in Contralateral Knee | With Medial OA in Contralateral Knee |
---|---|---|---|
OA status at baseline | 68 (45) | 5 (3) | 79 (52) |
OA status at followup (only in those with no OA at baseline) | 8 (12) | 2 (3) | 58 (85) |
OA status in all subjects at followup | 8 (5) | 7 (5) | 137 (90) |