Table 1.

Definitions of clinical remission

Remission 1	Swollen joint count on 51+tender joint count on 51=0
Remission 2	Swollen joint count on 28+tender joint count on 28=0
Remission 3	Swollen joint count on 28≤1 and tender joint count on 28≤1
Ever remission	At least one assessment in remission at year 1, 2 or 3
Remission score	Number of assessments in remission at year 1, 2 or 3
Time to remission	Year of the first assessment in remission within the first 3 years

51-joint count: neck, shoulders, elbows, wrists, hips, knees, the 10 metacarpophalangeal joints, the 10 proximal and 10 distal interphalangeal joints of the hands, and the 10 metatarsophalangeal joints of the feet.

28-joint count: shoulders, elbows, wrists, knees, the 10 metacarpophalangeal joints, and the 10 proximal interphalangeal joints of the hands.