W L Hu1, B Ross, J Nedzelski. 1. Department of Otolaryngology, University of Toronto Faculty of Medicine, Sunnybrook & Women's College Health Science Centre, Ontario.
Abstract
OBJECTIVES: To evaluate the intrarater and inter-rater reliability of the Sunnybrook Facial Grading System (SFGS) by novice users. DESIGN: Prospective interval study using one measurement instrument. SETTING:Tertiary teaching hospital (Sunnybrook & Women's College Health Science Centre). METHODS: Twenty-two patients with a wide spectrum of facial dysfunction recorded on videotapes were rated using the SFGS by eight novice observers independently in two different sittings separated by 3 weeks. The order of patients was randomized for the second sitting. Intraclass correlation coefficients were calculated for component scores and for total scores within and between raters. RESULTS: The intrarater reliability coefficients for the eight raters ranged from .838 to .929. This largely overlaps with the data obtained in previous studies with expert raters. The inter-rater reliability for all eight raters at time 1 was .982 and for time 2 was .970. This is higher than what was previously obtained with expert raters. CONCLUSION: The SFGS is as reliable when applied by novice users as by expert users.
RCT Entities:
OBJECTIVES: To evaluate the intrarater and inter-rater reliability of the Sunnybrook Facial Grading System (SFGS) by novice users. DESIGN: Prospective interval study using one measurement instrument. SETTING: Tertiary teaching hospital (Sunnybrook & Women's College Health Science Centre). METHODS: Twenty-two patients with a wide spectrum of facial dysfunction recorded on videotapes were rated using the SFGS by eight novice observers independently in two different sittings separated by 3 weeks. The order of patients was randomized for the second sitting. Intraclass correlation coefficients were calculated for component scores and for total scores within and between raters. RESULTS: The intrarater reliability coefficients for the eight raters ranged from .838 to .929. This largely overlaps with the data obtained in previous studies with expert raters. The inter-rater reliability for all eight raters at time 1 was .982 and for time 2 was .970. This is higher than what was previously obtained with expert raters. CONCLUSION: The SFGS is as reliable when applied by novice users as by expert users.
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