Kaleem Ullah Toori, Ali Zohair Nomani, Fazlul Aziz Mian, Syed Fahad Shah, Nisar Ahmed.
Predictors of outcome in exercise testing for new onset cardiac ischemia.
Rawal Med J Jan ;39(2):128-32.

Aims & Objectives: To determine the predictors of outcome of exercise treadmill test for the diagnosis of coronary artery disease with a view to develop a model to identify those best suited for a conclusive treadmill result. Materials and methods: Data of consecutive 502 patients referred for exercise treadmill test by local general practioners with chest pain to tertiary care setup was collected prospectively. Various cardiovascular risk factors were assessed for association with treadmill results. Pearson’s chi-square, t-test and stepwise logistic regression were used for data analysis with a significant P value < 0.05. Results: Significant predictors of positive exercise treadmill test result included males, elderly, diabetes mellitus, typical chest pain and abnormal resting electrocardiogram (p<0.05). Exercise treadmill test results were significantly negative for young and middle aged, normotensives, non-diabetics, atypical chest pain and normal resting electrocardiogram (p<0.05). The results were inconclusive for females, obese and very elderly (p<0.05). Conclusion: Males, elderly, diabetes mellitus, typical chest pain and abnormal resting electrocardiogram have the highest probability to get positive exercise test results in coronary artery disease.

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