Validity and Reliability of the Thai Version of Neuropathic Pain Symptom Inventory (NPSI - T)
2014
Background: The aim of this study was to evaluate validity and reliability of the Thai version of the Neuropathic Pain Symptom Inventory (NPSI - T) in Thai patients with neuropathic pain. Although the Thai version of Neuropathic Pain Symptom Inventory (NPSI - T) has been linguistically validated, the tool has to be psychometrically validated before applying to neuropathic pain patients in daily practice. Method: Forty Thai patients with diagnosis of neuropathic pain were enrolled to rate the visual analog scale (VAS), the Thai version of Neuropathic Pain Diagnostic Questionnaire (DN4 - T) and NPSI - T questionnaires and performed retest NPSI - T in four hours later. The patients were also asked to explain the understanding of the wording in each question of NPSI - T. Result: The total score of NPSI - T questionnaire was correlated to visual analog scale (VAS) (Spearman’s correlation coefficient = 0.599, P 0.8) was presented in 30% of the questionnaire and good agreement (ICC 0.6 - 0.8) was 70% of the questionnaire. Conclusion: Our study showed the validity of the NPSI - T and demonstrated its reliability for assessing the neuropathic pain in Thai patients.
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