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Table 2 The participant timeline of our study

From: Auricular acupressure for adverse events following immunization related to COVID-19 vaccine injection: study protocol for a multicenter, three-arm, blinded randomized controlled trial

  1. Note: T1*, immediately after the first or second dose of NCV; T2*, 3 days after the first or second dose of the NCV; T3*, 5 days after the first or second dose of NCV; T4*, 7 days after the first or second dose of NCV; T5*, 14 days after the first or second dose of NCV; #, record as cases with visual analogue scale (VAS) scores from 0 to 10; Adverse events of the interventions*, including abnormal pain, skin allergy, and other adverse reactions