2022
KMSubtraction: reconstruction of unreported subgroup survival data utilizing published Kaplan-Meier survival curves
Zhao J, Syn N, Tan B, Yap D, Teo C, Chan Y, Sundar R. KMSubtraction: reconstruction of unreported subgroup survival data utilizing published Kaplan-Meier survival curves. BMC Medical Research Methodology 2022, 22: 93. PMID: 35369867, PMCID: PMC8978435, DOI: 10.1186/s12874-022-01567-z.Peer-Reviewed Original ResearchMeSH KeywordsHumansKaplan-Meier EstimateMonte Carlo MethodProportional Hazards ModelsPublicationsReproducibility of ResultsConceptsMonte Carlo simulationsLimits of errorSubgroup survival dataCarlo simulationsSurvival dataKaplan-MeierKaplan-Meier survival curvesExtensive Monte Carlo simulationsOriginal survival dataFollow-up timeCox proportional hazards modelsSubgroups of clinical interestPublished Kaplan-Meier survival curvesMarginal Cox proportional hazards modelsProportional hazards modelMatched patientsSecondary data analysisSystematic errorsSurvival curvesProportion of missing dataHazards modelClinical interestPatientsPrimary manuscriptsKM plots
2020
Psychometric testing of the Functional Assessment of Cancer Therapy/Gynecologic Oncology Group—Neurotoxicity (FACT/GOG-Ntx) subscale in a longitudinal study of cancer patients treated with chemotherapy
Cheng H, Lopez V, Lam S, Leung A, Li Y, Wong K, Au J, Sundar R, Chan A, De Ng T, Suen L, Chan C, Yorke J, Molassiotis A. Psychometric testing of the Functional Assessment of Cancer Therapy/Gynecologic Oncology Group—Neurotoxicity (FACT/GOG-Ntx) subscale in a longitudinal study of cancer patients treated with chemotherapy. Health And Quality Of Life Outcomes 2020, 18: 246. PMID: 32703223, PMCID: PMC7376939, DOI: 10.1186/s12955-020-01493-y.Peer-Reviewed Original ResearchConceptsFunctional Assessment of Cancer Therapy/Gynecologic Oncology Group-NeurotoxicityFACT/GOG-Ntx subscalePatients treated with chemotherapyCancer patients treated with chemotherapyFACT/GOG-NtxAssessment pointsFunctional assessmentNational Cancer Institute Common Terminology CriteriaInternal consistency reliabilityPeripheral Neuropathy ScaleEORTC QLQ-CIPN20Longitudinal studyEuropean Organization for ResearchResultsCronbach’s alpha coefficientCommon Terminology CriteriaLight touch testMotor itemsLow-to-moderateConsistency reliabilityAlpha coefficientEvaluate CIPNQLQ-CIPN20Four-factor structurePsychometric analysisMonofilament test