Determining Persistence with an Inhaled Corticosteroid in Asthma: Assessment Using an Objective Measurement vs the Self-Reported Foster Score.
Britt Overgaard HedegaardKjell Erik Julius HåkanssonFrodi Fridason JensenCharlotte Suppli UlrikUlla Møller WeinreichPublished in: Journal of asthma and allergy (2022)
Foster score shows an excellent ICC; however, its poor agreement with objective measures of adherence suggests that clinicians should not rely on Foster scores alone to assess adherence with inhaled corticosteroids in patients with asthma.