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Table 4 Descriptive characteristics of flare-up capture and monitoring

From: Acute flares of knee osteoarthritis in primary care: a feasibility and pilot case-crossover study

Participant ID Flare number Flare captured by which questionnaire Flare-up met study definition; reason if not Flare ended Completed flare-up questionnaire
XX526 1 Event-driven No Flare reported on day of onset
2 Scheduled (week 9) No Flare reported on day of onset
XX581 1 Scheduled (week 5) Day of onset missing Missing
2 Scheduled (week 9) No > 3 days since flare onset Unresolved
XX637 1 Event-driven No > 3 days since flare onset
XX041 1 Event-driven No Flare reported on day of onset
XX065 1 Scheduled (week 5) No > 3 days since flare onset 23 days after date flare reported
2 Scheduled (week 9) No > 3 days since flare onset Unresolved
XX706 1 Event-driven No Flare reported on day of onset
XX160 1 Event-driven No Flare reported on day of onset
2 Event-driven Yes 7 days after flare reported Yes