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Comparing SPEED and OSDI Questionnaires in a Non-Clinical Sample
Nauman Hashmani1, Uzair Munaf2, Aqsa Saleem2
1Ophthalmology and Visual Sciences, Hashmanis Hospital, Karachi, Sindh, Pakistan.
Purpose:
To compare the performance of OSDI and SPEED questionnaires in a non-clinical sample in Pakistan.
Methods:
SPEED and OSDI questionnaires were simultaneously administered to a sample of 600 participants in Pakistan with an average age of 31.0 ± 10.1 years.
Results:
Mean SPEED scores were calculated according to the OSDI categories and were found to be 3.33 ± 3.44, 5.45 ± 3.77, 7.86 ± 4.33, and 9.39 ± 4.56 for the normal, mild, moderate, and severe groups, respectively. Using Cronbach's alpha, the total OSDI and SPEED scores were calculated to be 0.924 and 0.879, respectively. A receiver operating curve was plotted, and the area under the curve (AUC) was estimated to be 0.791. Using this curve, the cutoff score for the SPEED questionnaire was found to be 4.00 (P < 0.001).
Conclusion:
The SPEED questionnaire can be used as an effective alternative to the OSDI.
