Mandarin version of the Leeds Dyspepsia Questionnaire: A valid instrument for assessing symptoms in <scp>A</scp>sians

Leow, Alex Hwong Ruey; Ching, Siew Mooi; Sujarita, Ramanujam; Yap, Choon-Fong; Chia, Yook Chin; Ho, Shiaw‐Hooi; Sithambaram, Suresh; Tan, Huck-Joo; Goh, Khean‐Lee; Mahadeva, Sanjiv

doi:10.1111/1751-2980.12183

Cited by 7 publications

(8 citation statements)

References 27 publications

(49 reference statements)

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“…Specifically, LDQ translations to Malay, Malaysian English and Mandarin 21 23 performed similar to the current study in terms of reliability (Spearman's coefficient 0.78–0.98), with a range of internal consistency (Cronbach α 0.74–0.80) lower than results reported for this study population. Critically, LDQ results in historical studies of primary and secondary care populations were less valid (when compared with clinical diagnoses) than those obtained in this study (area under the ROC curves ranging from 0.71 to 0.84), save for a single Italian version of the SF-NDI (Cronbach's α 0.90, Pearson's correlation coefficient 0.92, sensitivity 80% and specificity 82%).…”

Section: Discussionsupporting

confidence: 75%

“…Although this is the first validation of the SF-LDQ and SF-NDI in Africa, similar studies have been performed in Malaysia and China; 21 23 together with the initial validation studies of these tools in Western populations; 17–19 24 these global results serve as a benchmark for the use of long-form and short-form versions of the LDQ and NDI in multiple languages and varied populations.…”

Section: Discussionmentioning

confidence: 73%

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Validation of the Kinyarwanda-version Short-Form Leeds Dyspepsia Questionnaire and Short-Form Nepean Dyspepsia Index to assess dyspepsia prevalence and quality-of-life impact in Rwanda

et al. 2016

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ObjectivesWe aimed to develop and validate Kinyarwanda versions of Short-Form Leeds Dyspepsia Questionnaire (SF-LDQ) and Short-Form Nepean Dyspepsia Index (SF-NDI) to measure the frequency and severity of dyspepsia and associated quality-of-life impact in Rwanda.SettingA single, tertiary care centre in Rwanda.Participants200 consecutive Kinyarwanda-speaking patients referred to endoscopy (100 patients) or medical outpatients (100 patients).InterventionsKinyarwanda versions of the SF-LDQ and SF-NDI were developed from English versions by translation, with back translation, crosschecking and pilot testing. Study participants completed these questionnaires at enrolment (time 1), and then completed the surveys again with blinded phone interviewers 3 days later (time 2). 20 randomly selected participants, diagnosed with a peptic ulcer on index endoscopy, completed a third survey by phone at day 30 (time 3), after therapy.Primary outcome measuresInternal consistency at time 1 (by Cronbach's α) and test–retest reliability between time 1 and time 2 (Spearman's correlation coefficient) for translated SF-LDQ and SF-NDI; validity versus clinical diagnosis (by receiver operating characteristic (ROC) curve) and responsiveness to treatment for SF-LDQ (by change in mean score). All outcomes were measured as per protocol.ResultsCronbach's α of the translated SF-LDQ was 0.93, showing high internal consistency. Spearman's correlation coefficient comparing time 1 and time 2 was 0.978 (p<0.001), demonstrating high reliability. Cronbach's α for the translated SF-NDI was 0.92. A cut-off score of 16 on the SF-LDQ showed a sensitivity of 97% and a specificity of 71% for the diagnosis of dyspepsia, correctly classifying 89% of patients. In the responsiveness analysis, the mean SF-LDQ score was reduced from 20.1 prior to treatment to 13.9 after 30 days of treatment (p=0.003).ConclusionsThe Kinyarwanda versions of the SF-LDQ and SF-NDI were valid, reliable and responsive to treatment.

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Section: Discussionsupporting

confidence: 75%

Section: Discussionmentioning

confidence: 73%

Validation of the Kinyarwanda-version Short-Form Leeds Dyspepsia Questionnaire and Short-Form Nepean Dyspepsia Index to assess dyspepsia prevalence and quality-of-life impact in Rwanda

et al. 2016

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“…The LDQ is an eight-item symptom-based questionnaire assessing dyspepsia's severity according to the frequency and the severity of various upper GI symptoms ( 19 ).…”

Section: Methods and Study Designmentioning

confidence: 99%

Developing a Scale for the Evaluation of People With Post-prandial Distress Syndrome

Xiao

Ying

Zhao

et al. 2021

Front. Public Health

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Background: Functional dyspepsia (FD) is one of the most critical health problems worldwide. Although there has been an increased intervention to improve FD symptoms, it is difficult to compare the effect of intervention measures with the existing methods of reporting the outcome, and it is a lack of clinical evaluation tools that can be used to evaluate patients' symptoms and treatment. One way of potentially addressing this way is to offer a patient-reported symptom scoring scales, which can be self-reported by patients to highlight interventions' authenticity and reliability. Nevertheless, there is still a lack of validated patient-reported outcome instruments for post-prandial distress syndrome (PDS). This study aims to establish a symptom scoring scale to evaluate the effectiveness of interventions for PDS.Methods: The study consists of two steps. The first step was to formulate the scale. Through a systematic literature review and group discussion, an item pool and scale framework were formed. Then, through the expert consultation and pre-investigation, the formal version of the scale was formed. The second step is to test the reliability and validity of the scale. The scale is tested in the target population to determine whether the reliability and validity of the scale.Discussion: The improvement in patients' self-reported symptoms had a significant impact on the researchers' evaluation of the intervention's authenticity. Therefore, we develop a symptom scoring scale for reporting studies evaluating the effectiveness of PDS interventions. The scale will be used for a more significant comparison to evaluate PDS interventions' effectiveness. The scale also improves trial reporting, reducing research waste by prioritizing the collection and reporting of critical results for all relevant stakeholders.Clinical Trial Registration: ChiCTR, ChiCTR2100044489. Registered on March 22, 2021.

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“…The total score ranges from 0 to 40, and increases following the elevation of the severity of dyspepsia. The utility of local Malay and Chinese versions of the LDQ has been validated in Malaysia . The improvement of LDQ score was defined as the mean rank LDQ score at week 2 was less than the mean rank LDQ score at baseline.…”

Section: Methodsmentioning

confidence: 99%

“…The utility of local Malay and Chinese versions of the LDQ has been validated in Malaysia. 7,21 The improvement of LDQ score was defined as the mean rank LDQ score at week 2 was less than the mean rank LDQ score at baseline. The reason(s) for non-adherence to GPA were obtained directly from the participants using a structured questionnaire.…”

Section: Study Outcomes and Definitionsmentioning

confidence: 99%

Dyspepsia in non‐steroidal anti‐inflammatory drug users and the effect of preventive measures

Lee

Chua

Mahadeva

2018

J of Digest Diseases

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Mandarin version of the Leeds Dyspepsia Questionnaire: A valid instrument for assessing symptoms in Asians

Abstract: The M-LDQ is a valid and responsive instrument for assessing ethnic Chinese adults with dyspepsia.

Cited by 7 publications

References 27 publications

Validation of the Kinyarwanda-version Short-Form Leeds Dyspepsia Questionnaire and Short-Form Nepean Dyspepsia Index to assess dyspepsia prevalence and quality-of-life impact in Rwanda

Validation of the Kinyarwanda-version Short-Form Leeds Dyspepsia Questionnaire and Short-Form Nepean Dyspepsia Index to assess dyspepsia prevalence and quality-of-life impact in Rwanda

Developing a Scale for the Evaluation of People With Post-prandial Distress Syndrome

Dyspepsia in non‐steroidal anti‐inflammatory drug users and the effect of preventive measures

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