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Table 1 Schedule of patient evaluation

From: Efficacy of indoor air purification in treating Artemisia (mugwort) pollen allergic rhinitis: study protocol for a randomised controlled trial

Outcome measures

Screening stage

Remedial period

Observation period

Baseline

Day 7

Day 14

Day 21

Day 28

Day 56

Nasal symptoms

X

X

X

X

X

X

Allergy symptom score

X

X

X

X

X

X

Visual analog scale score

X

X

X

X

X

X

Rhinoconjunctivitis Quality of Life Questionnaire

X

X

X

X

X

X

Epworth Sleepiness Scale score

X

X

X

X

X

X

Tolerability of the air purifier

 

X

X

X

X

 

Treatment compliance

 

X

X

X

X

 

Safety assessment

 

X

X

X

X

X