Correlated Drug Terms (3)

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	Name (Synonyms)	Correlation
drug3024	telephone consult Wiki	1.00
drug285	BCG vaccine Wiki	0.58
drug1822	Placebo Wiki	0.06

Correlated MeSH Terms (2)

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	Name (Synonyms)	Correlation
D045169	Severe Acute Respiratory Syndrome NIH	0.05
D018352	Coronavirus Infections NIH	0.04

Correlated HPO Terms (0)

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	Name (Synonyms)	Correlation

Primary Outcomes

Description: Diagnosis of COVID on day of surgery (based on Clinical symptoms +/- positive swab diagnosis)

Measure: diagnosis of COVID before surgery

Time: prior to surgery

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Secondary Outcomes

Description: Diagnosis by day 14 (+/-2) post-surgery (based on Clinical symptoms from inpatient notes or telephone consultation +/- positive swab diagnosis)

Measure: diagnosis of COVID after surgery

Time: 14 days post op

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