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We do our best to include only high-quality, evidence-based scores and calculators on MDCalc, and, with rare exception, only include calculators with at least a validation in a separate or prospective population when related to a predictive score. (We obviously always prefer an external validation of a score in another patient population.) We also do our own internal review of the published data to make sure that the calculator is clinically relevant, helpful, and based on sound evidence.
COVID-19 created a unique problem for everyone in medicine, including medical research - the need to quickly disseminate information accurately so we could work together across the world to provide effective care, learn from each other, and save lives. In the very first weeks of the crisis as COVID-19 spread outside of China, we launched our COVID Resource Center to provide clinicians with the latest calculators and resources that could help with COVID virus problems: like hypoxia, critical care, ARDS, ECMO, hypercoaguable states, and algorithmic care from centers deeply impacted, like Brescia, Italy. We labeled all calculators approved and reviewed for COVID, to do our best to warn clinicians when limited data or information was available, but attempted to walk the fine line of informing users while still cautioning them about information that is cutting edge - recently published and peer reviewed, but not significantly validated to the time sensitive nature of emerging understanding about COVID-19.
We’ve received many welcome requests from users to add a particular score to MDCalc related to COVID-19. And now that we are 6 months into this worldwide pandemic and crisis, we are returning toward our highly selective bar that evidence and scores must reach in order to be published on MDCalc (we realize things are still quite dynamic and so will consider exceptions on a case-by-case basis). We have also updated our COVID Resource Center to fit our new understanding of the virus. We have much more data now at our disposal; COVID-19 is no longer an “emerging” threat to the world but has now "emerged." While it will continue to be "new" to many individual communities, the world's medical system already knows dramatically more about the virus than just months ago.
To that end, we’d like to provide a list of calculators and scores that we have reviewed and provide at least basic information about why scores were reviewed but not added to MDCalc. Please contact us. if you feel our analysis is incorrect or out of date on a particular score (for example, if a recent external validation has been published) so we can re-review it.
- The MDCalc Team
|Call Score||Predicts prognosis of COVID-19 inpatients decompensation||Only 200 patients included (40 in progression group); no validation besides internal bootstrapping|
|Chest CT Severity Score||Evaluates utility of chest CT in diagnosing "severe" COVID-19||Only 102 patients included (18 in "severe" group); "severe" definition very broad; no validation|
|Milano Policlinico ONCOVID Score||Suggests which cancer patients that may be higher-risk for poor outcome if infected with COVID-19||Uses only expert opinion without further evidence included|
|COVID Scoring System (CSS)||Predicts in-hospital mortality and complications for COVID-19 patients||Not yet peer reviewed|
|Fear of COVID-19 Scale (FCV-19S)||7-item scale assessing COVID-19 fear||Internal-only validation; questionable clinical utility (may have research utility)|
|Host Risk Score||Suggests risk factors that may pre-dispose to severe COVID-19||Not sufficiently discriminatory; only 49 severe patients; validation in 66 patients (too few)|
|Lung Ultrasound Score||Scoring tool for US-assessment of COVID-19 pulmonary severity||Not truly studied in a patient population|
|Penn Medicine COVID-19 Hospital Impact Model for Epidemics||Estimates how many patients will need hospitalization, ICU beds, and mechanical ventilation for a hospital population||Not a clinical calculator, but possibly an effective visualization and prognostication tool for hospital administration, public health, and epidemiologists|
|Stanford University Hospital Resource Calculator||Estimates how many patients will need hospitalization, ICU beds, and mechanical ventilation for a hospital population||Not a clinical calculator, but possibly an effective visualization and prognostication tool for hospital administration, public health, and epidemiologists|
Know of a new COVID score that's not on this list? Send it over to us at email@example.com