User profiles for "author:John Carson Allen"

John Carson Allen Jr

Adjunct Assistant Professor, Biostatistics, Duke-NUS Medical School Singapore
Verified email at duke-nus.edu.sg
Cited by 9325

A prospective randomised controlled trial of a single intravenous infusion of ferric carboxymaltose vs single intravenous iron polymaltose or daily oral ferrous sulphate …

AA Khalafallah, A Hyppa, A Chuang, F Hanna… - Seminars in …, 2018 - Elsevier
Iron deficiency anaemia (IDA) is the most common nutritional deficiency affecting pregnant
women worldwide. This study aims to compare the efficacy and safety of a newly available …

[HTML][HTML] Evaluation of the NS1 rapid test and the WHO dengue classification schemes for use as bedside diagnosis of acute dengue fever in adults

S Chaterji, JC Allen Jr, A Chow, YS Leo… - The American journal of …, 2011 - ncbi.nlm.nih.gov
Because healthcare facilities in many dengue endemic countries lack laboratory support,
early dengue diagnosis must rely on either clinical recognition or a bedside diagnostic test …

[HTML][HTML] Performance on sit-to-stand tests in relation to measures of functional fitness and sarcopenia diagnosis in community-dwelling older adults

XS Yee, YS Ng, JC Allen, A Latib, EL Tay… - European Review of …, 2021 - Springer
Background The sit-to-stand (STS) test has been deployed as surrogate measures of
strength or physical performance in sarcopenia diagnosis. This study examines the …

[HTML][HTML] Grit protects medical students from burnout: A longitudinal study

MR Jumat, PKH Chow, JC Allen, SH Lai… - BMC medical …, 2020 - Springer
Background Burnout is a serious issue plaguing the medical profession with potential
negative consequences on patient care. Burnout symptoms are observed as early as …

Depression and anxiety in Singaporean high-risk pregnancies—prevalence and screening

P Thiagayson, G Krishnaswamy, ML Lim… - General hospital …, 2013 - Elsevier
Objective Data on psychiatric morbidity in high-risk pregnant Singaporean women are
limited. This study aimed to establish the prevalence of antenatal depression and anxiety in …

The effects of exposure to general anesthesia in infancy on academic performance at age 12

CL Bong, JC Allen, JTS Kim - Anesthesia & Analgesia, 2013 - journals.lww.com
BACKGROUND: Recent evidence from juvenile animal models has shown that exposure to
anesthetic drugs above threshold doses during a critical neurodevelopmental window …

Comorbidity as the dominant predictor of mortality after hip fracture surgeries

EWL Cher, JC Allen, TS Howe, JSB Koh - Osteoporosis International, 2019 - Springer
The aim of this study was to investigate the association of surgical delay and comorbidities
with the risk of mortality after hip fracture surgeries. We found that CCI was the dominant …

[HTML][HTML] Impact of COVID-19 on pediatric emergencies and hospitalizations in Singapore

SL Chong, JSL Soo, JC Allen, S Ganapathy, KP Lee… - BMC pediatrics, 2020 - Springer
Abstract Background Coronavirus disease 2019 (COVID-19) has impacted the provision of
health services in all specialties. We aim to study the impact of COVID-19 on the utilization of …

[HTML][HTML] Short-term trajectories of use of a caloric-monitoring mobile phone app among patients with type 2 diabetes mellitus in a primary care setting

G Goh, NC Tan, R Malhotra, U Padmanabhan… - Journal of medical …, 2015 - jmir.org
Background Self-management plays an important role in maintaining good control of
diabetes mellitus, and mobile phone interventions have been shown to improve such self …

Cervical pedicle screw instrumentation is more reliable with O-arm-based 3D navigation: analysis of cervical pedicle screw placement accuracy with O-arm-based 3D …

S Chachan, HR Bin Abd Razak, WL Loo, JC Allen… - European Spine …, 2018 - Springer
Purpose Despite proven biomechanical superiority and resultant superior clinical outcomes,
pedicle instrumentation in cervical spine is not widely practiced due to technical difficulties …