Attack period Attack free period P
WBC  x 10 9/L 8283±2701 7279±2197 p<0.001
SAA, mg/dl 346± 271 18± 28 p<0.001
CRP, mg/dl 8.6± 6.6 0.7± 1.1 p<0.001
Fibrinogen, mg/dl 580± 178 287± 100 p<0.001
ESR,  mm/h 57.3± 32  15± 8  p<0.001
Abbreviations: WBC: White Blood Cell; SAA: Serum Amyloid A; CRP: C-Reactive Protein; ESR: Erythrocyte Sedimentation Rate
Table 1: Laboratory assessments in patients at attack period and attack free period