Delta Hat

Who we are

At Delta Hat we are health economists and statisticians who provide support to the pharmaceutical industry. We focus on the technical aspects of evidence-based medicine and health technology assessment – from meta-analysis to cost-effectiveness modelling, and everything in between.

The name of the company represents what we offer - in statistics Greek letters are commonly used to denote unknown parameters. The letter delta is commonly used to represent the difference. Placing a circumflex, ^, or ‘hat’ over a letter denotes the estimator of this value. Delta hat therefore means ‘estimated difference’.

Often in comparative effectiveness and health technology assessment this is the parameter we are trying to estimate – the added value of the new intervention. As the true value can never be observed (at best we conduct a trial to estimate this) further work is often needed to make robust estimates of the benefit of treatment. At Delta Hat, we have the skills to perform such analyses (even our website is built in R), with the experience to help understand the implications of the findings.

Please get in touch, as we are more than happy to talk through what solutions we might recommend and what services we may be able to offer.

What we do

We focus exclusively on the technical aspects of evidence-based medicine. Our specialisms are in uncontrolled studies/observational data, and survival modelling.

Past projects include matching adjusted indirect comparisons, propensity scoring, advanced survival extrapolations, utility mappings, health economic modelling, teaching, and submission of evidence dossiers to health technology assessment agencies.

We are happy to discuss the kind of projects we are able to offer, and also willing to work in partnership with other vendors.

Meet the Team

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Anthony Hatswell

Director

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Ash Bullement

Analyst

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Charlotte Day

Analyst

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Emma Knowles

Analyst

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Hollie Wheat

Analyst

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Jess Mann

Analyst

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Kevin Deighton

Analyst

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Rachael Slater

Analyst

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Richard Kay

Business Manager

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Will Sullivan

Analyst

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Zoe Philips

Chairman

Job Opportunities

We will actively advertise for roles from time to time, but are always keen to hear from people who could add to the team at Delta Hat. Please send a CV to contact@deltahat.co.uk and we will be in touch.

Contact