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dc.contributorMulti-disciplinary Studiesen_US
dc.contributorDepartment of Rehabilitation Sciencesen_US
dc.creatorYeung, Lai-ching-
dc.identifier.urihttps://theses.lib.polyu.edu.hk/handle/200/2536-
dc.languageEnglishen_US
dc.publisherHong Kong Polytechnic University-
dc.rightsAll rights reserveden_US
dc.titleUse of modified Northwick Park Neck Pain Questionnaire in patients with nasopharyngeal carcinoma (NPC) : validation studyen_US
dcterms.abstractThere is no known study investigating the effect of neck fibrosis on neck disability in patients with nasopharyngeal carcinoma (NPC). Quantification of the neck disability by reliable and valid measure is important for the evaluation of patients' progress. At present, there is no such tool available for these patients. The Chinese version of the Northwick Park Questionnaire (NPQ), used to assess the neck disability for patients with mechanical neck pain, was validated by Chiu et al (2001). Adoption of this questionnaire in patients with NPC was examined in this study. This study examined the content validity, the test-retest reliability, internal consistency and the construct validity of the modified NPQ. Two panels of 8 experienced physiotherapists and 5 patients with NPC were invited to review the questionnaire. Forty-three patients with NPC and neck discomfort were recruited from the Oncology and Physiotherapy departments in Prince of Wales Hospital. They were invited to complete the questionnaire twice with a seven-day interval. Their neck symptoms and physical parameters were examined carefully in the first visit. Range of neck motions and maximal isometric neck muscle strength were measured by using the Multi-Cervical Rehabilitation Unit. Level of the neck discomfort was rated by the Numeric Rating Scale. SF-36 health survey was used to assess their health status. The Physical parameters and SF-36 score were used to assess the convergent validity of the modified NPQ. Another group of 16 health subjects were recruited for contrast group comparison. Results demonstrated that the questionnaire had good content validity, high degree of test-retest reliability and internal consistency (One-way random model intra-class correlation coefficient, 0.94; Cronbach's alpha, 0.88). It also had good construct validity, with moderate correlation with most of the sub-scores of SF-36 ( rs , -0.43 to -0.71) and numeric rating scale ( rs = 0.69). the range of neck motions were weakly related to NPQ score. Only far correlation was shown in flexion, extension and rotations ( rs , -0.25 to -0.44). For the maximal isometric neck muscle strength, all directions showed fair correlation with the NPQ score with highest correlation coefficient in neck flexor strength ( rs = -0.51). In contrast group comparison, significant difference in the mean scores of the NPQ between the patients and the healthy individuals was demonstrated. Characteristics of neck disorder among the subjects were investigated as well. Neck discomfort was found to be at mild to moderate level, with concurrent neck and arm symptom as the most common pattern. Significant neck muscle weakness and limitation in neck motions were shown when compared to normative data (Chiu at al 2002).en_US
dcterms.extentx, 84 leaves : ill. (some col.) ; 30 cmen_US
dcterms.isPartOfPolyU Electronic Thesesen_US
dcterms.issued2003en_US
dcterms.educationalLevelAll Masteren_US
dcterms.educationalLevelM.Sc.en_US
dcterms.LCSHHong Kong Polytechnic University -- Dissertationsen_US
dcterms.LCSHNasopharynx -- Cancer -- Radiotherapy -- Complicationsen_US
dcterms.LCSHNeck painen_US
dcterms.accessRightsrestricted accessen_US

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