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Citations
To translate, adapt, and test the reliability, validity, and responsiveness of the Korean version of the Shoulder Disability Questionnaire (SDQ) and the Shoulder Rating Questionnaire (SRQ).
The international guideline for the adaptation of questionnaires was referenced for the translation and adaptation of the original SDQ and SRQ. Correlations of the SDQ-K and SRQ-K with the Shoulder Pain and Disability Index (SPADI) and the Numeric Rating Scale (NRS) were assessed to determine the reliability and validity of the questionnaires. To evaluate reliability, surveys were performed at baseline and a mean of 6 days later in 29 subjects who did not undergo any treatment for shoulder problems. To evaluate responsiveness, assessments were performed at baseline with 4-week intervals in 23 subjects with adhesive capsulitis who were administered triamcinolone injection into the glenohumeral joint.
Fifty-two subjects with shoulder-related problems were surveyed. Cronbach alpha for internal consistency was 0.82 for the summary SDQ-K and 0.75 for the summary SRQ-K. The test-retest reliability of the SDQ-K, SRQ-K, and domains of the SRQ-K ranged from 0.84 to 0.95. The SDQ-K and SRQ-K summary scores correlated well with the SPADI and NRS summary scores. Generally, the effect sizes and standardized response means of the summary scores of the SDQ-K, SRQ-K, and domains of the SRQ-K were large, reflecting their responsiveness to clinical changes after treatment.
The reliability, validity, and responsiveness of the SDQ-K and SRQ-K were excellent. The SDQ-K and SRQ-K are feasible for Korean patients with shoulder pain or disability.
Citations
To translate the MD Anderson Dysphagia Inventory (MDADI) which is a self-administered questionnaire that assesses effect of dysphagia on the quality of life for patients with head and neck cancer, into Korean and to verify the validity and reliability of the Korean version of MDADI.
We performed 6 steps for the cross-cultural adaptation which consisted of translation, synthesis, back translation, review by an expert committee, cognitive debriefing, and final proof reading. A total of 34 dysphagia patients with head and neck cancers from Seoul National University Hospital answered the translated version of the questionnaire for the pre-testing. The patients answered the same questionnaire 2 weeks later to verify the test-retest reliability.
One patient was excluded at second survey because he changed his feeding strategy. Overall, 33 patients completed the study. Linguistic validations were achieved by each step of cross-cultural adaptation. We gathered statistically strong construct validity (Spearman rho for subdomain scores to total score correlation range from 0.852 to 0.927), internal consistency for subdomains (Cronbach's alpha coefficients range from 0.785 to 0.889) and test-retest reliability (intra-class correlation coefficient range from 0.820 to 0.955)
The Korean version of the MDADI achieved linguistic validations and demonstrated good construct validity and reliability. It can be a useful tool for screening and treatment planning for the dysphagia of patients with head and neck cancers.
Citations
To investigate the intra- and inter-rater reliability of the Korean version of the ABILOCO questionnaire (K-ABILOCO).
The original ABILOCO questionnaire was translated into Korean and back-translated into English. Stroke patients (n=30) with hemiplegia were evaluated using the K-ABILOCO at one week interval. At each visit, the physiatrist also evaluated patient performance of the activities described in the K-ABILOCO, and the total logit scores were recorded. The total scores were used to evaluate intraclass correlation (ICC). Test-retest scores and each test scores were compared to obtain the intra- and inter-rater reliability.
The K-ABILOCO showed good intra-rater correlation at one week interval in both patient and physiatrist evaluations (ICC=0.81, 0.91), respectively. It also showed a high inter-rater correlation between the patient and physiatrist at both the first and second visits (ICC=0.76, 0.84), respectively.
The K-ABILOCO is a useful tool that may reliably evaluate the locomotion ability in hemiplegic stroke patients.
Citations
To evaluate concurrent validity between the Korean-Ages and Stages Questionnaires (K-ASQ) and the Denver Developmental Screening Test II (DDST II), and to evaluate the validity of the K-ASQ as a screening tool for detecting developmental delay of Korean children.
A retrospective chart review was done to examine concurrent validity of the screening potentials for developmental delay between the K-ASQ and the DDST II (n=226). We examined validity of the K-ASQ compared with Capute scale (n=141) and Alberta Infant Motor Scale (AIMS) (n=69) as a gold standard of developmental delay. Correlation analysis was used to determine the strength of the associations between tests.
A fair to good strength relationship (k=0.442, p<0.05) was found between the K-ASQ and the DDST II. The test characteristics of the K-ASQ were sensitivity 76.3-90.2%, specificity 62.5-76.5%, positive likelihood ratio (PLR) 2.41-3.40, and negative likelihood ratio (NLR) 0.16-0.32.
Evidence of concurrent validity of the K-ASQ with DDST II was found. K-ASQ can be used for screening of developmental delay.
Citations
Objective: To find simple screening method for assessment of patients with diabetic neuropathy by use of brief questionnaire, scored physical examination including vibration perception threshold, and mixed median conduction study.
Method: Subjects were 24 patients with diabetes mellitus. Conventional nerve conduction study was performed in 24 patients and the patients were divided into two groups: 11 patients with polyneuropathy; 13 patients of normal findings. The questionnaires were given for evaluation of sensory function in all the subjects. The questionnaires were followed by physical examination including two point discrimination, vibration perception threshold by using biothesiometer, 10 gram filament test, pin prick test, DTR check, and muscle strength test. Abnormality was determined by the number of positive responses or abnormal clinical findings. Finally, we recorded the conduction velocity and amplitude of median mixed nerve and compared these parameters to values of 20 normal adults.
Results: The questionnaire and physical exam scores were higher in patients with polyneuropathy (p＜0.01). The patients with polyneuropathy showed higher vibration perception threshold values (p＜0.01) and slower conduction velocity and smaller amplitude of median mixed nerve (p＜0.05). In correlation with conventional nerve conduction study, the median mixed nerve conduction velocity had higher kappa value than amplitude in screening for diabetic polyneuropathy.
Conclusion: We suggest the questionnaires, scored physical examination, vibration perception threshold, and median mixed nerve conduction velocity to be a simple screening method for assessment of patients with diabetic plyneuropathy.
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