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Statistical Data Representation In The Timberline Health Case Study

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Running Head: STATISTICAL DATA REPRESENTATION IN THE TIMBERLINE HEALTH CASE STUDY 1
Statistical Data Representation in the Timberline Health Case Study
Student’s Name
Institutional Affiliation

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STATISTICAL DATA REPRESENTATION IN THE TIMBERLINE HEALTH CASE STUDY 2
Statistical Data Representation in the Timberline Health Case Study
Contingency Table 1 screening test
Test
result
(NoD)
Disease (D)
No Disease
Total
Positive
Negative
405
82
487
2,013
45
1,968
Total 450 2,050 2,500
If 250,000 individuals attended the fair and out of which 1% visited the clinic, then the total
number of people who visited is 0.01*250000=2500. Since the prevalence of hearing loss stands
at 18%, it translates to 0.18*2500=450 with positive prevalence. Those who tested negative
prevalence in the first instance were 2500-450=2050. The specificity is 96%, and the sensitivity
of 90%. Therefore:
Positive (hearing loss) = 0.90*450=405
Negative (no hearing loss) =0.96*2050=1968
Positive (no hearing loss) =2050-1968=82
Negative (hearing loss) =450-405=45

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Running Head: STATISTICAL DATA REPRESENTATION IN THE TIMBERLINE HEALTH CASE STUDY Statistical Data Representation in the Timberline Health Case Study Student’s Name Institutional Affiliation 1 STATISTICAL DATA REPRESENTATION IN THE TIMBERLINE HEALTH CASE STUDY 2 Statistical Data Representation in the Timberline Health Case Study Contingency Table 1 screening test Test result Disease (D) No Disease Positive 405 82 Negative 45 1,968 Total (NoD) Total 450 2,050 487 2,013 2,500 If 250,000 individuals attended the fair and out of which 1% visited the clinic, then the total number of people who visited is 0.01*250000=2500. Since the prevalence of hearing loss stands at 18%, it translates to 0.18*2500=450 with positive prevalence. Those who tested negative prevalence in the first instance were 2500-450=2050. The specificity is 96%, and the sensitivity of 90%. Therefore: Positive (hearing loss) = 0.90*450=405 Negative (no hearing loss) =0.96*2050=1968 Positive (no hearing loss) =2050-1968=82 Negative (hearing loss) =450-405=45 STATISTICAL DATA REPRESENTATION IN THE TIMBERLINE HEALTH CASE STUDY 3 Contingency Table 2; Diagnostic Test From the first table, 405+82=487 individuals are positive of hearing loss and are eligible for further diagnostic tests. The information is used to construct a contingency table to determine those who fail the diagnostic test by the audiologist. Prevalence is 487-405=82, according to the previous table. Test result (NoD) Dise ...
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