COMHON Index Design and validation of a new rating scale to ...

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Phase 3: Evaluation of the validity and reliability of the scale Reliability: • The internal consistency. ( Cronbach alpha ) • The interobserver reliability ( Kappa Coefficient ) Validity: • Content validity. • Construct validity: Discriminant validity. (Pearson) • Criterion validity: • Convergent validity (Gold Standard) • Predictive validity: Sensitivity, specificity, Positive Predictive Value (PPV) and Negative Predictive Value(NPV)
Results The internal consistency: α : 0,723 – 0,796 First draft with 8 items: Good consistency • Level of consciousness INTEROBSERVER • Mobility • Hemodynamic • Oxigenation • Nutrition RELIABILITY LEVEL OF CONSCIOUSNESS • Humidity • Past medical history :Reliability Minimum Kappa index Maximum Kappa index K CI 95% K CI 95% 0,813 0,7509 – 0,8749 0,892 0, 8335 – 0,9503 MOBILITY 0,821 0,7546 – 0,8877 0,883 0,823 – 0,9417 HEMODYNAMIC 0,979 0,9554 – 1,000 1,000 - OXIGENATION 0,923 0,8828 – 0,9633 0,979 0,9554 – 1,000 NUTRITION 0,910 0,8683 – 0,9529 0,965 0,9375 – 0,9925 COMHON INDEX 0,8860 0,8281-0,9437 0,930 0,8839-0,9770 • Time of stay K >0,80: Good Concordance K >0,90: Very Good Concordance
Page 1 and 2: COMHON Index Design and validation
Page 3: Material and methods � Multicentr
Page 7 and 8: Predictive V.. SCALE N SENS SPEC PP
Page 9 and 10: Conclusions: COMHON index is define

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