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3. Two physicians were asked to classify 200 chest X-ray results as either presumptive TB cases (positive) or normal independently. Classification of Chest X-rays by Physician 1 Compared with Physician 2 Physician 1 Normal Presumptive TB case TOTAL Normal 165 10 175 Physician 2 Presumptive TB case 5 20 25 3.1 The overall percent agreement between the two physicians is 3.2 The positive percent agreement between the two physicians is 3.3 The value of kappa is TOTAL 170 30 200

3. Two physicians were asked to classify 200 chest X-ray results as either presumptive TB cases (positive) or normal independently. Classification of Chest X-rays by Physician 1 Compared with Physician 2 Physician 1 Normal Presumptive TB case TOTAL Normal 165 10 175 Physician 2 Presumptive TB case 5 20 25 3.1 The overall percent agreement between the two physicians is 3.2 The positive percent agreement between the two physicians is 3.3 The value of kappa is TOTAL 170 30 200

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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3. Two physicians were asked to classify 200 chest X-ray results as either presumptive TB cases (positive) or normal independently. Classification of Chest X-rays by Physician 1 Compared with Physician 2 Physician 1 Normal Presumptive TB case TOTAL Normal 165 10 175 Physician 2 Presumptive TB case 5 20 25 3.1 The overall percent agreement between the two physicians is 3.2 The positive percent agreement between the two physicians is 3.3 The value of kappa is TOTAL 170 30 200
Transcribed Image Text:3. Two physicians were asked to classify 200 chest X-ray results as either presumptive TB cases (positive) or normal independently. Classification of Chest X-rays by Physician 1 Compared with Physician 2 Physician 1 Normal Presumptive TB case TOTAL Normal 165 10 175 Physician 2 Presumptive TB case 5 20 25 3.1 The overall percent agreement between the two physicians is 3.2 The positive percent agreement between the two physicians is 3.3 The value of kappa is TOTAL 170 30 200
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