DEFINITION OF QUALITY OF LIFE
WHY MEASURING QUALITY OF LIFE ?
QUALITY OF LIFE QUESTIONNAIRES
Types of questionnaires
Validation of questionnaires
ITEMS GENERATION
CHOICE OF RESPONSE MODALITIES AND SCORE CALCULATION
REDUCTION OF ITEMS NUMBER
FIABILITY
VALIDITY
REPONSIVENESS
TRADUCTION
PRACTICAL CONSIDERATIONS OF THERAPEUTIC TRIAL
Definition of inclusion criteria
Number of measurements of quality of life
Procedures of giving questionnaires
Time necessary to full-in questionnaires
Statistical analysis
RESULTS INTERPRETATION CONCLUSION