From: Utility of illness symptoms for predicting COVID-19 infections in children
Symptom combinations – = Symptom absent + = Symptom present Blank = Symptom not considered in this combination | % with this symptom combination | Positive Likelihood Ratio (95% CI) | Number Needed to Screen to find 1 COVID-19 case | Estimated Missed School Days to find 1 COVID-19 case | ||||
---|---|---|---|---|---|---|---|---|
Fever or chills | Cough | Congestion/Rhinorrhea | Loss of Taste/Smell | Other Symptoms | ||||
Fever or chills | Cough | Congestion/Rhinorrhea | Loss of taste/smell | 0.5% | 6.32 (1.29–31)† | 352 | 6 | |
Fever or chills | – | – | – | 23.2% | 0.67 (0.47–0.97)† | 39 | 31 | |
– | Cough | – | – | 8.0% | 1.74 (1.11–2.75)† | 50 | 14 | |
– | – | – | Loss of taste/smell | 1.1% | 3.95 (1.31–12)† | 211 | 8 | |
– | – | Congestion/Rhinorrhea | – | 14.0% | 1.20 (0.82–1.75) | 39 | 19 | |
Fever or chills | – | Congestion/Rhinorrhea | – | 7.5% | 0.97 (0.54–1.74) | 88 | 23 | |
– | Cough | Congestion/Rhinorrhea | – | 13.5% | 0.41 (0.22–0.77)† | 106 | 49 | |
– | – | – | Sore Throatb | 14.0% | 0.48 (0.23–1.00) | 89 | 38 | |
– | – | – | Nausea, Vomiting, or Diarrhea | 10.2% | 0.32 (0.14–0.72)† | 175 | 61 | |
– | – | – | Fatiguec | 8.0% | 1.84 (0.28–12) | 175 | 42 | |
– | – | – | Abdominal Painb | 6.7% | 0.43 (0.13–1.35) | 214 | 43 | |
– | – | – | Headacheb | 5.9% | 0.55 (0.22–1.37) | 102 | 12 | |
– | – | – | Muscle Aches | 4.9% | 0.85 (0.39–1.84) | 150 | 25 | |
– | – | – | Shortness of breath | 0.5% | 0.00 (0.04–12) | || | || |