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KMID : 1150720130020030089
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Integrative Medicine Research
2013 Volume.2 No. 3 p.89 ~ p.98
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Intrarater and interrater reliability of pulse examination in traditional Indian Ayurvedic medicine
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Kurande Vrinda
Waagepetersen Rasmus
Toft Egon
Prasad Ramjee
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Abstract
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Background: In Ayurveda, pulse examination (nadipariksha) is an important tool to assess the status of three doshas: vata, pitta, and kapha. Long historical use has been seen as a documentation of its efficacy; however, there is a lack of a quantitative measure of the reliability of the pulse examination method. The objective of this study was to test the intrarater and interrater reliability of pulse examination in Ayurveda.
Methods: Fifteen registered Ayurvedic doctors with 3?15 years of experience examined the pulse of 20 healthy volunteers twice, for a total of 600 examinations. The examinations were performed blind and in a random order. Only the current status of dosha-specific methods of pulse examination were considered. Cohen's weighted κ statistic was used as a measure of intrarater and interrater reliability, and a hypothesis of homogeneous diagnosis (random rating) was tested. Following this, we tested whether proportions of ratings were equal between doctors.
Results: According to the Landis and Koch scale, the level of reliability ranged from poor to moderate. It was observed that the doctors more frequently diagnosed a combination of two doshas than a single dosha. The κ values were generally larger for experienced doctors (p = 0.04).
Conclusion: Experience and proper training have important roles in pulse examination.
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KEYWORD
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Ayurveda, Dosha, interrater reliability, intrarater reliability, pulse examination
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