Obstructive Sleep Apnea Patient-Oriented Severity Index
Name of Questionnaire
Obstructive Sleep Apnea Patient-Oriented Severity Index (OSAPOSI)
A condition-specific HRQL measure based on semi-structured interviews to identify the physical, functional, and emotional consequences of OSA and its treatment.
JF Piccirillo, GA Gates, DL White, KB Schectman
Jay F. Piccirillo
Cost & availability
Contact JF Piccirillo for permission for use.
Time to complete
Number of items
Domains & categories
Name of categories/domains
Sleep problems, awake problems, medical problems, emotional and personal problems, occupational impact
Scaling of items
Magnitude of the problem (0 to 5, from no problem to "bad as can be")
Importance of the problem (1 to 4, from not important to extremely important)
Symptom-impact score: product of the magnitude and the importance. The higher the score, the worse the HRQL. Scores range from 0 to 20 per item and from 0 to 640 for the instrument.
Based on semi-structured patient interviews, assuring content validity 1 . Concurrent validity demonstrated by correlation with global health rating 1 .
Reported; standardized response mean (SRM) and effect size estimation (ES)
Minimally important difference
An increase or decrease in OSAPOSI score of 50% is considered clinically-meaningful.
Date of information
Comments from developer
Yes (July 1998)
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