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Time for healthcare to make better use of data

Time for healthcare to make better use of data

We must turn towards the raw inputs that are within reach of most people on the planet in order to deliver on the promise of technology.

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SwissCognitiveFrom Palo Alto to Dar es Salaam, healthcare is high tech when it comes to objects, but remarkably low tech in the effective algorithmic use of data. The application of to the health of individuals should be the principal focus for technologists focused on the power of .

can deliver higher quality care to more of the global population at lower cost. Drugs paired to the genetic code and million-dollar machines for imaging, even diagnostics, are not accessible for many of the world’s poorest people. We must turn towards the raw inputs that are within reach of most people on the planet in order to deliver on the promise of technology.

Machine learning is sensitive to the degrees of similarity between individuals; the clinician can learn what works for one patient and then adapt recommendations to the specific characteristics of another. Administrators and governments concerned with costs want healthcare systems that are simpler to manage with less variation. The radical potential of is that health systems no longer need to choose between personalisation and scale.

What could go wrong? A great deal. Bias in medical is deadly. The most accessible data to train models for healthcare do not reflect the global burden of disease. Likewise in clinical trials, participants do not accurately reflect the diversity of patients.

Bias in is often the result of training an algorithm with data that does not properly reflect the world. The machine’s reality is what you show it. Realign the training data and the algorithm learns to correct former tendencies.

How do we get the right training data? One approach is to collect more information using technology. There are about 4bn smartphones on the planet. Mobile phones constitute intricate, real-time indices of our lives. Tala, for instance, is a company that offers unsecured lending from an app. Where credit scores are absent, it uses data on the device and linked to its phone number to predict the likelihood of reimbursement. In the absence of easily accessible universal medical records, start-ups such as Ginger.io have sought to use the frequency and timing of texts or location patterns as indicators of mental health.

The mobile phone could become the universal medical record that picks up on existing and new health indicators: where we move, the limits of our mobility, what we eat and when, and how we work. The compressing of models and hardware advances have made it possible to run on a phone not connected to the cellular network or to data centres.

This means people living in rural areas, those not served by telecoms infrastructure and the privacy-conscious could all still derive — and later share — insights with healthcare providers. To support polio campaigns in challenging environments, macro-eyes, my company, is deploying an app that runs offline, counting vaccine vials with the click of the phone’s camera. 

Still to be resolved is how to preserve privacy, yet share the right level of detail to build country-scale databases against which to compare patients. The greater the data analysed, the more productive the results. Multi-dimensional analysis allows providers to pinpoint the interventions or patient characteristic that consistently and uniquely correlate with specific outcomes. […]

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