Publications

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Displaying 1 through 36 of 36 publications.

Gnanasakthy A, Crawford R, Qin S, Doward L, Rockwood NJ. Advanced patient-reported outcomes. Presentation to be given at the ISPOR Europe 2024; November 17, 2024. Barcelona, Spain. Previously presented at the ISPOR 2024.

McCann E, Peterson KA, Whalley D, Qin S, Tilton ST, Kamat S, Sun X, Dellon ES. Psychometric evaluation of the Dysphagia Symptom Questionnaire for adults and adolescents with eosinophilic esophagitis. J Allergy Clin Immunol Glob. 2024 Jul 16;3(4):100302. doi: 10.1016/j.jacig.2024.100302

Paller AS, Siegfried EC, Marron SE, Clark M, Harris N, Kosa K, Qin S, Whalley D, Chao J, Bansal A, Chuang CC, Wang Z. Skin pain and sleep quality numeric rating scales for children aged 6 months to 5 years with atopic dermatitis. J Eur Acad Dermatol Venereol. 2024 Jun 29. doi: 10.1111/jdv.20199

Gnanasakthy A, Crawford R, Qin S, Rockwood N, Doward L. Advanced patient-reported outcomes. Presented at the ISPOR 2024; May 5, 2024.

Paller AS, Marron SE, Whalley D, Nelson L, Qin S, Chao J, Bansal A, Chuang C, Wang Z. Clinically meaningful change threshold in health‐related quality of life among patients aged 6 months to 5 years with atopic dermatitis and their caregiver(s)/family. JEACP. 2024 Mar;3(1):253-7.

Williams V, DeMuro Romano C, Finelli L, Qin S, Saretsky TL, Ma J, Lewis S, Phillips M, Osborne RH, Norquist JM. Psychometric evaluation of the respiratory syncytial virus infection, intensity and impact questionnaire (RSV-iiiQ) in adults. Health Qual Life Outcomes. 2024 Feb 20;22(1):19. doi: 10.1186/s12955-023-02174-2

Rockwood N, Qin S, Yarr S. Estimating change score/responsiveness correlations among ordinal measures. Presented at the ISOQOL 30th Annual Conference; October 20, 2023. Calgary, Canada.

Qin S, Nelson L, Williams N, Williams V, Bender R, McLeod L. Comparison of anchor-based methods for estimating thresholds of meaningful within-patient change using simulated PROMIS PF 20a data under various joint distribution characteristic conditions. Qual Life Res. 2023 May;32(5):1277-93. doi: 10.1007/s11136-022-03285-x

Gnanasakthy A, Crawford R, Qin S, Bender R, Doward L. Advanced patient-reported outcomes. Presented at the 2023 ISPOR Virtual Short Course Program; March 8, 2023.

Lansdall CJ, McDougall F, Butler LM, Delmar P, Pross N, Qin S, McLeod L, Zhou X, Kerchner GA, Doody RS. Establishing clinically meaningful change on outcome assessments frequently used in trials of mild cognitive impairment due to Alzheimer's disease. J Prev Alzheimers Dis. 2023;10(1):9-18. doi: 10.14283/jpad.2022.102

Gnanasakthy A, Qin S, Norcross L. Editorial - FDA guidance on selecting, developing, or modifying fit-for-purpose clinical outcome assessments: old wine in a new bottle? Patient. 2023 Jan. doi: 10.1007/s40271-022-00607-6

Romano (DeMuro) C, Novak G, Choi J, Qin S, Henley D, Donohue M, Romano G, Raman R, Amariglio R, Aisen P, Sperling R. Assessing clinically meaningful functional outcomes in preclinical alzheimer's disease. Poster presented at the 15th Conference Clinical Trials Alzheimer's Disease 2022; November 29, 2022. San Francisco, CA. [abstract] J Prev Alzheimers Dis. 2022 Dec 3; 9(Supplement 1):S186-7.

Gnanasakthy A, Crawford R, Qin S, Bender R, Doward L. Advanced patient-reported outcomes. Presented at the 2022 ISPOR Virtual Short Course Program; June 8, 2022.

Khan AH, Reaney M, Guillemin I, Nelson L, Qin S, Kamat S, Mannent L, Amin N, Whalley D, Hopkins C. Development of Sinonasal Outcome Test (SNOT-22) domains in chronic rhinosinusitis with nasal polyps. Laryngoscope. 2022 May;132(5):933-41. doi: 10.1002/lary.29766

Paller A, Siegfried E, Marron SE, Clark M, Harris N, Qin S, Chao J, Bansal A, Chuang CC, Wang Z. Development and validation of a caregiver-reported numeric rating scale for measuring skin pain in children (aged 6 months to 5 years) with atopic dermatitis. Poster presented at the 2022 Society for Investigative Dermatology (SID) Annual Meeting; May 2022. Portland, OR.

Stander S, Zeidler C, Pereira M, Szepietowski JC, McLeod L, Qin S, Williams N, Sciascia T, Augustin M. Worst itch numerical rating scale for Prurigo Nodularis: a psychometric evaluation. J Eur Acad Dermatol Venereol. 2022 Apr;36(4):573-81. doi: 10.1111/jdv.17870

Qin S, McLeod L, Ma J, Cai J. Initial psychometric evaluation of the eczema symptom and impact diary in patients with moderate to severe atopic dermatitis from a phase 2 trial. Poster presented at the 2022 American Academy of Dermatology (AAD) Annual Meeting; March 25, 2022. Boston, MA.

Han JK, Bachert C, Lee SE, Hopkins C, Heffler E, Hellings PW, Peters AT, Kamat S, Whalley D, Qin S, Nelson L, Siddiqui S, Khan AH, Li Y, Mannent LP, Guillemin I, Chuang CC. Estimating clinically meaningful change of efficacy outcomes in inadequately controlled chronic rhinosinusitis with nasal polyposis. Laryngoscope. 2022 Feb;132(2):265-71. doi: 10.1002/lary.29888

Williams V, DeMuro C, Finelli L, Qin S, Saretsky TL, Ma J, Lewis S, Phillips M, Osborne RH. Preliminary psychometric evaluation of the respiratory syncytial virus infection intensity impact questionnaire (RSV-IIIQ) in adults. Poster presented at the Virtual ISPOR EUR 2021; November 30, 2021. [abstract] Value Health. 2022 Jan 1; 25(1 Supplement):S234. doi: 10.1016/j.jval.2021.11.1144

Kolotkin RL, Williams VSL, von Huth Smith L, Meincke HH, Qin S, Williams N, Fehnel SE. Confirmatory psychometric evaluations of the impact of weight on quality of life-lite clinical trials version (IWQOL-Lite-CT). Clin Obes. 2021 Oct;11(5):e12477. doi: 10.1111/cob.12477

Williams V, Qin S, Romano CD, Lewis S, Williams N, Yarr S, Juul KV, Andersson FL. Psychometric evaluation of the Nocturia Sleep Quality Scale based on data from a prospective observational study. J Clin Sleep Med. 2021 Apr 1;17(4):691-701. doi: 10.5664/jcsm.9010

Qin S, Nelson L, McLeod L, Ma J, López Sánchez B, Gamil M, Stevens M, Jane Scott J. Psychometric evaluation of the pediatric RSV severity and outcomes rating system version 7 (PRESORSv7.1, observer-reported and PRESORSv7 clinician- reported forms) scores in young children hospitalized with respiratory syncytial virus infection. Presented at the 2021 Virtual Visual ISOQOL 28th Annual Conference; October 12, 2021. [abstract] Qual Life Res. 2021; 30(Suppl 1):S16-7. doi: https://doi.org/10.1007/s11136-021-02976-1

Fastenau J, Rozjabek H, Qin S, McLeod L, Nelson L, Ma J, Harris N. Psychometric evaluation of the DAILY EATS questionnaire in individuals living with obesity. J Patient Rep Outcomes. 2020 Nov 23;4(1):99. doi: 10.1186/s41687-020-00259-w

Lansdall CJ, Butler LM, Kerchner G, McDougall F, Delmar P, Pross N, Qin S, McLeod L, Baudler M, Fontoura P, Doody R. Anchor- and distribution-based methods to establish clinically meaningful score changes on the Clinical Dementia Rating Scale – Sum of Boxes in patients with prodromal Alzheimer's Disease. Presented at the 12th Clinical Trials in Alzheimer’s Disease (CTAD) Meeting; December 6, 2019.

Simpson EL, de Bruin-Weller M, Eckert L, Whalley D, Guillemin I, Reaney M, Chen Z, Nelson L, Qin S, Bansal A, Gadkari A. Responder threshold for Patient-Oriented Eczema Measure (POEM) and Children's Dermatology Life Quality Index (CDLQI) in adolescents with atopic dermatitis. Dermatol Ther. 2019 Dec;9(4):799-805. doi: 10.1007/s13555-019-00333-2

Kolotkin RL, Williams VSL, Ervin CM, Williams N, Meincke HH, Qin S, von Huth Smith L, Fehnel SE. Validation of a new measure of quality of life in obesity trials: impact of weight on quality of life-lite clinical trials version. Clin Obes. 2019 Jun;9(3):e12310. doi: 10.1111/cob.12310

Qin S, Ma J, Nelson L. Two approaches to evaluate missing clinical outcome assessment responses - a simulation study. Poster presented at the 2019 ISPOR 24th Annual International Meeting; May 22, 2019. New Orleans, LA.

Qin S, Nelson L, McLeod L, Eremenco S, Coons SJ. Assessing test-retest reliability of patient-reported outcome measures using intraclass correlation coefficients: recommendations for selecting and documenting the analytical formula. Qual Life Res. 2019 Apr;28(4):1029-33. doi: 10.1007/s11136-018-2076-0

Kolotkin RL, Williams V, Ervin CM, Williams N, Meincke HH, Qin S, von Huth Smith L, Fehnel SE. Validation of a new measure of quality of life in obesity trials: IWQOL-Lite Clinical Trials Version. Poster presented at the 2018 Obesity Week Conference; November 13, 2018. Nashville, TN. doi: 10.1111/cob.12310

Qin S, Coles T, Nelson L, McLeod L, Williams V, Williams N, Reaney M. CDFs and PDFs: comparing visual methods supporting responder thresholds in clinical trials. Poster presented at the 2018 ISPOR 23rd Annual International Meeting; May 21, 2018. Baltimore, MD. [abstract] Value Health. 2018 May; 21(Suppl):S53. doi: 10.1016/j.jval.2018.04.442

Qin S, Coles T, Nelson L, Williams V, Williams N, McLeod L. What impacts the stability of anchor-based responder definitions? Presented at the ISOQOL 24th Annual Conference; October 19, 2017. Philadelphia, PA.

McLeod L, Sikirica MV, Qin S, Joshi AV, Sweeney CT, Blum SI. Psychometric evaluation of the nausea and vomiting questionnaire in patients with type 2 diabetes mellitus receiving a glucagon-like peptide-1 receptor agonist. Poster presented at the 2017 ISPOR 22nd Annual International Meeting; May 23, 2017. Boston, MA. [abstract] Value Health. 2017 May; 20(5):A175.

Qin S, Cohen AS. Multilevel detection of possible test tampering. Presented at the 2nd Annual Statistical Detection of Potential Test Fraud Conference; October 17, 2013. Madison, WI.

Qin S, Cohen AS. An empirical analysis of a multilevel model for detection of possible test tampering. Poster presented at the 78th International Meeting of the Psychometric Society 2013; July 23, 2013. Arnhem, The Netherlands.

Han Y, Qin S, Wessler SR. Comparison of class 2 transposable elements at superfamily resolution reveals conserved and distinct features in cereal grass genomes. BMC genomics. 2013 Jan 31;14:71. doi: 10.1186/1471-2164-14-71

Qin S. Comparing the matching properties of coarsened exact matching, propensity score matching, and genetic matching in a nationwide observational data and a Monte Carlo experiment. Presented at the 35th Annual Conference of Eastern Educational Research Association; February 15, 2012. Hilton Head Island, SC.