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What kind of incidence was calculated?
The authors stated that the study period of 14 days might have been too short. Why didn’t they choose a longer period?
Several studies indicate that clinicians experience difficulties in classifying pressure ulcer and to distinguish them from Incontinence Associated Dermatitis (IAD). This may affect the validity and reliability of the study. How did the researchers deal with this issue in the study?
The answers to the above question offers three possibilities to improve the classification. Do all three of them strengthen the validity and reliability of the study?