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. 2021 May 25;10(5):e29072. doi: 10.2196/29072

Table 1.

RECAP-V0 template items.

Variable name Measurement level Description/parameter Concept ID
Heart rate Continuous

  • Heart rate measured at systemic artery (observable entity)

  • 78564009
Respiratory Rate Continuous

  • Respiratory rate (observable entity)

  • 86290005
Shortness of breath Nominal

  • No breathlessness (situation)

  • Breathless, moderate exertion (finding)

  • Breathless, mild exertion (finding)

  • Unable to complete a sentence in one breath (finding)

  • 161938003

  • 161939006

  • 161940008

  • 407588003
Trajectory of breathlessness Nominal

  • Patient condition improved (finding)

  • Patient condition unchanged (finding)

  • Patient condition deteriorating (finding)

  • Symptom very severe (finding)

  • 268910001

  • 359748005

  • 275723000

  • 162471005
Oxygen saturation (rest) Continuous

  • Peripheral blood oxygen saturation on room air at rest (observable entity)

  • 866661000000106
Oxygen saturation (exertion) Continuous

  • Peripheral blood oxygen saturation on room air on exertion (observable entity)

  • 866681000000102
Level of tiredness Nominal

  • Not tired (situation)

  • Fatigue (finding)

  • Unable to get on and off a bed (finding)

  • 161869003

  • 84229001

  • 301663005
Temperature Continuous

  • Tympanic temperature (observable entity)

  • 703421000
Feeling feverish Nominal

  • No temperature (situation)

  • Feeling hot (finding)

  • Rigor symptom (finding)

  • 161851007

  • 373904004

  • 248457000
Date of onset of symptoms Continuous

  • Date of onset of symptoms (observable entity)

  • 520191000000103
Muscle aches Nominal

  • Myalgia (finding)

  • 68962001
Cognitive decline Nominal

  • Mentally alert (finding)

  • Clouded consciousness (finding)

  • Acute confusion (finding)

  • On examination, decreased level of consciousness (finding)

  • 248234008

  • 40917007

  • 130987000

  • 417473004
COVID-19 shielding list as defined using the QCOVID score [23] Nominal

  • High-risk category for developing complication from COVID-19 infection (finding)

  • 1300561000000107
Age Continuous

  • Current chronological age (observable entity)

  • 424144002
Body mass index Continuous

  • Body mass index (observable entity)

  • 60621009
Patient sex Nominal

  • Patient sex (observable entity)

  • 184100006
Diabetes Nominal

  • Diabetes (disorder)

  • 73211009
Hypertension Nominal

  • Hypertension (disorder)

  • 38341003
Coronary heart disease Nominal

  • Coronary heart disease (disorder)

  • 53741008
Chronic kidney disease Nominal

  • Chronic kidney disease (disorder)

  • 709044004
Ethnicity/related nationality data Nominal

  • Ethnicity/related nationality data (observable entity)

  • 186034007
Participant’s consent Nominal

  • Consent given to participate in research study (finding)

  • 873771000000107