Two physicians were asked to classify 100 chest X-rays as abnormal or normal ind
ID: 3421985 • Letter: T
Question
Two physicians were asked to classify 100 chest X-rays as abnormal or normal independently. The comparison of their classification is shown in the following table:
Classification of Chest X-Rays by Physician 1 compared with Physician 2
Physician 2
Physician 1
Abnormal
Normal
Total
Abnormal
Normal
Total
40
10
50
20
30
50
60
40
100
50% 50%
The simple overall percent agreement between the two physicians out of the total is:
Classification of Chest X-Rays by Physician 1 compared with Physician 2
Physician 2
Physician 1
Abnormal
Normal
Total
Abnormal
Normal
Total
40
10
50
20
30
50
60
40
100
Explanation / Answer
Two physicians were asked to classify 100 chest X-rays as abnormal or normal ind
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