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The performance properties of the International Index of Erectile Function (IIEF-15) in assessing erectile
K F Quek1, W Y Low, A H Razack
1Health Research Development Unit, University Malaya Medical Centre, 50603 Kuala Lumpur.
The Medical Journal of Malaysia
|May 8, 2003
Abstract:
To validate the International Index of Erectile Function (IIEF-15) in Malaysian population. Reliability and internal consistency were evaluated using the test-retest method and Cronbach's alpha. Sensitivity to change was expressed as the effect size index. Internal consistency was excellent (Cronbach's alpha value = 0.75 to 0.90) Test-retest correlation coefficient and intraclass correlation coefficient were highly significant (ICC = 0.75 and above) and a high degree of sensitivity and specificity was observed. The IIEF-15 is suitable, reliable, valid and sensitive to clinical change in the Malaysian population.