JIA category | ANA (titer)a | Ophthalmologic screening intervals | |
---|---|---|---|
Onset age of ≤6 years old | Onset age ≥ 7 years old | ||
・≤4 years from onset of arthritis | |||
 Oligoarthrits, RF-negative polyarthritis, undifferentiated arthritis | ≥160 | Every 3 months | Every 6 months |
< 160 | Every 6 months | Every 6 months | |
 Psoriatic arthritis whose onset age is <4 years old | Regardless | Every 3 months | – |
 Others | Regardless | Every 12 months | Every 12 months |
・4 < years, ≤7 years from onset of arthritis | |||
 Oligoarthrits, RF-negative polyarthritis, undifferentiated arthritis | ≥160 | Every 6 months | Every 12 months |
< 160 | Every 12 months | Every 12 months | |
 Psoriatic arthritis whose onset age is <4 years old | Regardless | Every 6 months | – |
 Others | Regardless | Every 12 months | Every 12 months |
・>7 years from onset of arthritis: Every 12 months. |