Indian Journal of Palliative Care
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 ORIGINAL ARTICLE
Year : 2017  |  Volume : 23  |  Issue : 3  |  Page : 293--299

Validation of the Malayalam version of Leeds assessment of neuropathic symptoms and signs pain scale in cancer patients in the Regional Cancer Centre, Thiruvananthapuram, Kerala, India


1 Department of Anaesthesiology, Government Medical College, Thiruvananthapuram, Kerala, India
2 Department of Palliative Medicine, Regional Cancer Centre, Thiruvananthapuram, Kerala, India
3 Department of Zoology, Mar Thoma College, Pathanamthitta, Kerala, India

Correspondence Address:
Shoukkathali Anzar
Department of Anaesthesiology, Government Medical College, Thiruvananthapuram, Kerala - 695 011
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/IJPC.IJPC_119_16

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Objective: The Self-administered Leeds Assessment of Neuropathic Symptoms and Signs (S-LANSS) is a 7-item self-report scale developed to identify pain which is of predominantly neuropathic origin. The aim of this study was to develop a Malayalam version of the LANSS and to test its validity and reliability in chronic pain patients. Methodology: We enrolled 101 Malayalam-speaking chronic pain patients who visited the Division of Palliative Medicine, Regional Cancer Centre, Thiruvananthapuram, Kerala, India. The translated version of S- LANSS was constructed by standard means. Fifty-one neuropathic pain and fifty nociceptive pain patients were identified by an independent pain physician and were subjected to the new pain scale by a palliative care nurse who was blinded to the diagnosis. The “gold standard diagnosis” is what the physician makes after clinical examination. Its validation, sensitivity, specificity, and positive and negative predictive values were determined. Results: Fifty-one neuropathic pain and fifty nociceptive pain patients were subjected to the Malayalam version of S-LANSS pain scale for validity testing. The agreement by Cohen's Kappa 0.743, Chi-square test P < 0.001, sensitivity 89.58, specificity 84.91, positive predictive value 84.31, negative predictive value 90.00, accuracy by 87.13, and likelihood ratio 5.94. Conclusion: The Malayalam version of S-LANSS pain scale is a validated screening tool for identifying neuropathic pain in chronic pain patients in Malayalam-speaking regions.






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