Table 2

 Grading system for arthritis and uveitis

+Effective: complete response without any sign of arthritisEffective: no relapse or more than 2 relapses less than before treatment
(+)Mild: improvement of arthritis with remaining signsMild: one relapse less than before treatment
0No response: no clinical change in arthritisNo response: no change in relapse rate
Worsening: progress of sign of arthritisWorsening: more relapses under treatment than before