1. In table 4, which two physical signs were used by the parents to assess dehydration were the most sensitive? Provide the rationale for your answer.
Decreased tears and ill appearance. Because that is where there were high number of parents who reported that their kids had dehydration
2. In table 4, which two physical signs used by parents to assess dehydration were the most specific. Discuss the meaning of the specificity of these two physical signs.
Sunken fontanelle and cool extremities. These two physical signs show identification of parents who reported that their kids had no dehydration
3. In table 4, for which physical signs of dehydration did the nurses have more true positives than the parents
Decreased tears and dry mouth
4. In table 4, which physical signs of dehydration did the nurses have more true negatives than the parents
Ill appearance and cool extremities
5. In table 4, what is the percentage of false negative for dehydration if the parents reported decreases tears? Provide calculation
6. What does it mean if a screening test is 100% sensitive, as decreased tears was when reported by the nurse?
It means that all those who presented themselves for testing were identified to be having the disease
7. What is your interpretation of the specificity of ill appearance as an indicator of clinical dehydration
It means there were high percentage of false positive that is people identified to be having dehydration when they actually don’t have.
8. Were the nurses or the parents more sensitive and specific in reporting the physical signs of dehydration? Was this expected finding?
The nurses were more specific and sensitive
This was expected because nurses have the knowledge and experience to handle and identify diseases hence their specificity and sensitivity
9 and 10 . tables to be filled. Let the student fill them.
ashitjha
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