Variables

Anamnesis and medical record review

Evaluation of inclusion and exclusion criteria

Demographic data

Socioeconomic data

Personal data (age, sex, ethnicity, others)

Habits

Illness duration

Time from symptoms onset to diagnosis

Comorbidities

Extra-articular manifestations

Treatment

Physical examination

Blood Pressure

Heart rate

Body Mass Index

Joint count

Laboratory

Erythrocyte sedimentation rate

C-reactive protein (mg/dL)

Rheumatoid Factor

X-Ray

Hands and feet bone erosions

Physician

Assessment of disease activity by the rheumatologist

Disease activity indices

DAS28 ESR

DAS28 CPR

CDAI

SDAI

HAQ