"Correlation Analysis Of Exercise Tests: Sensitivity And Specificity In Coronary Bypass Patients"
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Abstract
Abstract Background: About 60,000 coronary bypass surgeries are done annually in India(Kaul & Bhatia 2010). . The objective of this study is to correlate the Specificity and sensitivity of 6 min walk test, Harvard step test and 12 min cooper test in patients undergone Coronary Artery Bypass Grafting surgery.
Methods: A total of 50 post‑ CABG recovered patients were recruited in the study. The research took place at Santosh Hospital in Ghaziabad, following approval from the Institute’s Ethical Committee.all the patient were asked to perform all three exercise tests and Spo2, blood pressure and heart rate was measured using oximetere and sphygmomanometer. Vo2max was calculated us in formulaes (1) in 6 min walk test, (2) in Harvard step test, and (3) in cooper 12 min test
Results: The significant results were seen in the following variables on the basis of comparison and correlation of three tests (6 min walk, 12 min copper, Harvard step) with resting SpO2 (%) scores,lowest spo2(%) ,resting HR (bpm) ,peak heart rate, vo2max by dependent t test and by Karl Pearson's correlation coefficient.
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