A recent work by Kim et al. [28] aimed to elucidate the value of combination of various laboratory inflammatory scores, including the systemic immune-inflammation index (SII), C-reactive protein/albumin ratio (CAR), albumin/globulin ratio (AGR), prognostic nutritional index (PNI), and ferritin/erythrocyte sedimentation rate ratio (FER) as assessment factors for the diagnosis and evaluation of disease activity in AOSD. Here, CRP is linked to adult-onset Still disease.