RA outcomes according to onset: typica RA vs undifferentiated inflam arthritis (UIA) or palindromic rheumatism (PR). Progress to RA = RA > UIA > PR. PR has more +FHx & ACPA; UIA more females w/ Knee Sxs. Best remission rates w/ PR onsets. https://t.co/JJRCdKcs1u https://t.co/n385f6EF59