Table 1

ASAS recommendations for the approach to collection of NSAID intake for use in clinical trials/epidemiological studies of spondyloarthritis

NSAID intake since the last visitYes □No □
NSAID nameAverage daily intakeDays with intakeStarting dateEnding date
□ <1 day/week
□ 1–3 days/week
………………I___I___I___I mg□ 3–5 days/weekI__I__II__I__II__I__II__I__II__I__II__I__Iθ
□ ≥5 days/weekOngoing
□ Everyday
  • ASAS, Assessment of Spondyloarthritis International Society; NSAID, non-steroidal anti-inflammatory drug.