Observational studyIndian heart journal
Validation of complete and shortened WHO Rose angina questionnaire to detect coronary heart disease in a tertiary care hospital.
Observational study in Indian heart journal. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectivesValidation of the complete and shortened RAQ to detect coronary heart disease (CHD) in a tertiary care hospital.
methodsIn this prospective observational study, 239 patients aged 40-75 years with chest pain, referred for TMT from the cardiology OPD were subjected to RAQ and SRAQ, followed by a treadmill test (TMT). We used the treadmill test with the Bruce/modified Bruce protocol as the gold standard to assess RAQ and SRAQ.
resultsThe RAQ had 44.3 % sensitivity, 72.6 % specificity, 59 % accuracy, 60 %, and 58.4 % positive and negative predictive values, 1.62, 0.77 positive and negative likelihood ratios, respectively. SRAQ had 87.8 % sensitivity, 27.4 % specificity, 56.5 % accuracy, 52.9 % and 70.8 % positive and negative predictive values, 1.21 and 0.44 positive, and negative likelihood ratios, respectively, to detect CHD. The sensitivity of RAQ and SRAQ was higher in women.
conclusionBoth RAQ and SRAQ have poor accuracy in diagnosing CHD in the Indian population. Alternate tools are needed for determining the population burden of CHD in India.
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