Xiangmei Ma

Singapore, Singapore

Last Updated: 09/26/2026

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Found 15 publications

Effect of Specialist Palliative Care on Acute Healthcare in Stage IV Cancer: Prior Event Rate Ratio.

Effect of Specialist Palliative Care on Acute Healthcare in Stage IV Cancer: Prior Event Rate Ratio.

Journal: Journal of pain and symptom management
Published: March 12, 2026

Robust evaluation of vaccine effects based on estimation of vaccine efficacy curve.

Robust evaluation of vaccine effects based on estimation of vaccine efficacy curve.

Journal: Vaccine
Published: August 01, 2025

Strategy to Control Biases in Prior Event Rate Ratio Method, With Application to Palliative Care in Patients With Advanced Cancer.

Strategy to Control Biases in Prior Event Rate Ratio Method, With Application to Palliative Care in Patients With Advanced Cancer.

Journal: Statistics in medicine
Published: January 19, 2025

Reverse Time-to-Death as Time-Scale in Time-to-Event Analysis for Studies of Advanced Illness and Palliative Care.

Reverse Time-to-Death as Time-Scale in Time-to-Event Analysis for Studies of Advanced Illness and Palliative Care.

Journal: Statistics in medicine
Published: July 07, 2024

Two assumptions of the prior event rate ratio approach for controlling confounding can be evaluated by self-controlled case series and dynamic random intercept modeling.

Two assumptions of the prior event rate ratio approach for controlling confounding can be evaluated by self-controlled case series and dynamic random intercept modeling.

Journal: Journal of clinical epidemiology
Published: April 16, 2024

Novel 3-arm wait-list controlled trial designs together with mixed-effects analysis improve precision of treatment effect estimators.

Novel 3-arm wait-list controlled trial designs together with mixed-effects analysis improve precision of treatment effect estimators.

Journal: Journal of biopharmaceutical statistics
Published: November 06, 2023

Estimation of trajectory of protective efficacy in infectious disease prevention trials using recurrent event times.

Estimation of trajectory of protective efficacy in infectious disease prevention trials using recurrent event times.

Journal: Statistics in medicine
Published: August 23, 2023

Modelling non-linear patterns of time-varying intervention effects on recurrent events in infectious disease prevention studies.

Modelling non-linear patterns of time-varying intervention effects on recurrent events in infectious disease prevention studies.

Journal: Journal of biopharmaceutical statistics
Published: August 10, 2022

Inclusion of unexposed subjects improves the precision and power of self-controlled case series method.

Inclusion of unexposed subjects improves the precision and power of self-controlled case series method.

Journal: Journal of biopharmaceutical statistics
Published: November 15, 2021

Inclusion of unexposed clusters improves the precision of fixed effects analysis of stepped-wedge cluster randomized trials.

Inclusion of unexposed clusters improves the precision of fixed effects analysis of stepped-wedge cluster randomized trials.

Journal: Statistics in medicine
Published: August 22, 2021

Author Correction: Kawasaki Disease following administration of 13-valent pneumococcal conjugate vaccine in young children.

Author Correction: Kawasaki Disease following administration of 13-valent pneumococcal conjugate vaccine in young children.

Journal: Scientific reports
Published: April 13, 2021

Estimation of the primary, secondary and composite effects of malaria vaccines using data on multiple clinical malaria episodes.

Estimation of the primary, secondary and composite effects of malaria vaccines using data on multiple clinical malaria episodes.

Journal: Vaccine
Published: January 31, 2020
Showing 1-12 of 15

Last Updated: 09/26/2026