User profiles for P. Dhiman

Paula Dhiman

Post-doctoral Researcher, University of Oxford
Verified email at csm.ox.ac.uk
Cited by 5654

Prediction models for diagnosis and prognosis of covid-19: systematic review and critical appraisal

…, TPA Debray, VMT de Jong, M De Vos, P Dhiman… - bmj, 2020 - bmj.com
Objective To review and appraise the validity and usefulness of published and preprint reports
of prediction models for prognosis of patients with covid-19, and for detecting people in …

Risk of bias in studies on prediction models developed using supervised machine learning techniques: systematic review

…, JAA Damen, T Takada, SWJ Nijman, P Dhiman… - bmj, 2021 - bmj.com
Objective To assess the methodological quality of studies on prediction models developed
using machine learning techniques across all medical specialties. Design Systematic review. …

ZnO-based heterostructures as photocatalysts for hydrogen generation and depollution: a review

P Dhiman, G Rana, A Kumar, G Sharma… - Environmental …, 2022 - Springer
Energy shortage and escalating pollution are major challenges globally. Heterogeneous
photocatalysis is one of the most cost-effective methods for producing renewable energy and …

[HTML][HTML] A novel deep learning model for detection of severity level of the disease in citrus fruits

P Dhiman, V Kukreja, P Manoharan, A Kaur… - Electronics, 2022 - mdpi.com
… We elongate the tight bounding box before to warping so that there are exactly p pixels of
warped image across the original box (we use p = 16). VGG16 specifies that the image must …

Protocol for development of a reporting guideline (TRIPOD-AI) and risk of bias tool (PROBAST-AI) for diagnostic and prognostic prediction model studies based on …

GS Collins, P Dhiman, CLA Navarro, J Ma, L Hooft… - BMJ open, 2021 - bmjopen.bmj.com
Introduction The Transparent Reporting of a multivariable prediction model of Individual
Prognosis Or Diagnosis (TRIPOD) statement and the Prediction model Risk Of Bias ASsessment …

Antidepressant use and risk of adverse outcomes in older people: population based cohort study

C Coupland, P Dhiman, R Morriss, A Arthur, G Barton… - Bmj, 2011 - bmj.com
… We used a P value of <0.01 (two tailed) to assess statistical significance. We did Wald’s
significance tests to determine whether the categorical variable for antidepressant class was …

Harvesting energy from water flow over graphene

P Dhiman, F Yavari, X Mi, H Gullapalli, Y Shi… - Nano …, 2011 - ACS Publications
Water flow over carbon nanotubes has been shown to generate an induced voltage in the
flow direction due to coupling of ions present in water with free charge carriers in the …

A review on S-scheme and dual S-scheme heterojunctions for photocatalytic hydrogen evolution, water detoxification and CO2 reduction

A Kumar, A Khosla, SK Sharma, P Dhiman, G Sharma… - Fuel, 2023 - Elsevier
Discovering alternative materials and technologies that provide the meaningful potential to
environmental and energy-related challenges in critical to the long-term viability of industrial …

Sustainable nano-hybrids of magnetic biochar supported g-C3N4/FeVO4 for solar powered degradation of noxious pollutants-Synergism of adsorption, photocatalysis …

…, M Naushad, FJ Stadler, AA Ghfar, P Dhiman… - Journal of Cleaner …, 2017 - Elsevier
In this research work we report synthesis of gC 3 N 4 /FeVO 4 (CI) and gC 3 N 4 /FeVO 4 /Fe@NH
2 -Biochar (CIB) nano-hetero assemblies for removal of methyl paraben (MeP) and 2-…

Transparent reporting of multivariable prediction models for individual prognosis or diagnosis: checklist for systematic reviews and meta-analyses (TRIPOD-SRMA)

KIE Snell, B Levis, JAA Damen, P Dhiman, TPA Debray… - bmj, 2023 - bmj.com
Most clinical specialties have a plethora of studies that develop or validate one or more
prediction models, for example, to inform diagnosis or prognosis. Having many prediction model …