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Table 2 A comparison of three published allergic rhinitis control questionnaires

From: Assessment of disease control in allergic rhinitis

  CARAT[3335] RCAT[36, 37] ARCT[38]
Administration mode self-questionnaire self-questionnaire self-questionnaire
Diseases considered allergic rhinitis and asthma allergic rhinitis allergic rhinitis
Period of evaluation The previous 4 weeks The previous week The previous 2 weeks
Number of final items/questions 17 in development, 10 in the final tool 26 in development, 6 in the final tool 5 in the final tool
Response type 4-point frequency scale and some yes/no items 5-point Likert scale 5-point frequency scale
Validation status Tested in 141 non-treated adult patients (CARAT17) and then 193 adults (CARAT10). Internal consistency over 0.70. Longitudinal validation in 51 patients at 4 outpatient clinics. Test-retest reliability (intra-class correlation coefficient) = 0.82 Psychometric validation by 410 patients consulting allergy specialists. God psychometric properties and reliable internal consistency (Cronbach alpha coefficient: 0.70) Tested in 902 patients selected by 411 primary care physicians and allergists. Internal consistency: 0.77
Other comments Tested in patients consulting an allergist Significant correlations with physician-rated disease severity, total nasal symptom score and physician-recommended change in therapy Based on the Asthma Control Questionnaire. Significant correlations with the clinical picture and the impact of allergic rhinitis on social and sports activities