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Pip Griffiths

Explore the profile of Pip Griffiths including associated specialties, affiliations and a list of published articles. Areas
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Articles 16
Citations 207
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Recent Articles
1.
Gounder M, Atkinson T, Bell T, Daskalopoulou C, Griffiths P, Martindale M, et al.
Qual Life Res . 2023 Jun; 32(10):2861-2873. PMID: 37347393
Purpose: The GODDESS tool was developed to assess Desmoid Tumor/Aggressive Fibromatosis (DT/AF) symptom severity and impact on patients' lives. This study evaluated GODDESS's cross-sectional and longitudinal measurement properties. Methods: The...
2.
Ruzich E, Ritchie J, Ginchereau Sowell F, Mansur A, Griffiths P, Birkett H, et al.
J Am Med Inform Assoc . 2023 Jun; 31(2):363-374. PMID: 37341698
Objective: Availability of easy-to-understand patient-reported outcome (PRO) trial data may help individuals make more informed healthcare decisions. Easily interpretable, patient-centric PRO data summaries and visualizations are therefore needed. This three-stage...
3.
Mc Carthy M, Burrows K, Griffiths P, Black P, Demanuele C, Karlsson N, et al.
Ther Innov Regul Sci . 2023 Apr; 57(4):629-645. PMID: 37020160
This paper examines the use of digital endpoints (DEs) derived from digital health technologies (DHTs), focusing primarily on the specific considerations regarding the determination of meaningful change thresholds (MCT). Using...
4.
Wratten S, Abetz-Webb L, Arenson E, Griffiths P, Bowman S, Hueber W, et al.
RMD Open . 2023 Mar; 9(1). PMID: 36931685
Objectives: Dryness, fatigue and joint/muscle pain are typically assessed in Sjögren's trials using European Alliance of Associations for Rheumatology Sjögren's Syndrome Patient Reported Index (ESSPRI). A Patient Acceptable Symptom State...
5.
Terluin B, Koopman J, Hoogendam L, Griffiths P, Terwee C, Bjorner J
Qual Life Res . 2023 Feb; 32(6):1819-1830. PMID: 36780033
Purpose: Meaningful thresholds are needed to interpret patient-reported outcome measure (PROM) results. This paper introduces a new method, based on item response theory (IRT), to estimate such thresholds. The performance...
6.
7.
Griffiths P, Sims J, Williams A, Williamson N, Cella D, Brohan E, et al.
Qual Life Res . 2022 Nov; 32(5):1255-1264. PMID: 36401757
Purpose: Treatment benefit as assessed using clinical outcome assessments (COAs), is a key endpoint in many clinical trials at both the individual and group level. Anchor-based methods can aid interpretation...
8.
Rofail D, Griffiths P, Flore G, Hussein M, Sivapalasingam S, Podolanczuk A, et al.
JAMA Netw Open . 2022 Oct; 5(10):e2239053. PMID: 36306132
Importance: Patient-reported outcome instruments are key in assessing COVID-19-related symptoms and associated burden. However, a valid and reliable instrument to assess symptom severity and progression among outpatients with COVID-19 is...
9.
Griffiths P, Rofail D, Lehner R, Mastey V
Adv Ther . 2022 Sep; 39(11):4853. PMID: 36083427
No abstract available.
10.
Griffiths P, Williams A, Brohan E
Qual Life Res . 2022 Aug; 31(12):3433-3445. PMID: 35930136
Purpose: Quality of life research often collects daily information and averages this over a week, producing a summary score. When data are missing, arbitrary rules (such as requiring at least...