Characteristic no. (%)
Total Cohort (n=48) Viral (COVID-19/ Non-COVID-19) (n=36) Bacterial (n=8) Non-Infectious (n=4)
Sex no. (%)
Male 32 (66.7) 26 (72.2) 4 (50.0) 2 (50.0)
Female 16 (33.3) 10 (27.8) 4 (50.0) 2 (50.0)
Age – years, no. (%)
< 65 22 (45.8) 17 (47.2) 4 (50.0) 1 (25.0)
≥ 65 26 (54.2) 19 (52.8) 4 (50.0) 3 (75.0)
Range 24-96 24-96 28-94 50-82
Mean (SD) 64.3 (+/- 18.8) 63.8 (+/- 18.2) 62.5 (+/- 24.0) 72 (+/- 14.9)
Median [IQR] 67 [54-78] 67 [54-77] 69 [49-78] 78 [69-80]
Symptom Onset – days
Range 2-7 2-7 2-5 2-7
Mean, (SD) 3.8, (+/-1.8) 4, (+/-1.9) 2.9, (+/-1.2) 3.8, (+/-2.2)
Median [IQR] 3 [2-5] 3 [2-5] 2 [2-3] 3 [3-4]
Fever (≥ 37.8◦C) no. (%)
Yes 41 (85.4) 34 (94.4) 6 (75.0) 1 (25.0)
No 7 (14.6) 2 (5.6) 2 (25.0) 3 (75.0)
Final Disposition no. (%)
Home 36 (75.0) 27 (75.0) 7 (87.5) 2 (50.0)
Died 12 (25.0) 9 (25.0) 1 (12.5) 2 (50.0)
Final Diagnosis no. (%)
COVID/Viral 35 (72.9) 35 (97.2) 0 (0) 0 (0)
Non-COVID 1 (2.1) 1 (2.8) 0 (0) 0 (0)
Bacterial 8 (16.7) 0 (0) 8 (100) 0 (0)
Non-Infectious 4 (8.3) 0 (0) 0 (0) 4 (100)
FebriDx Results no. (%)
Viral 35 (72.9) 35 (97.2) 0 (0) 0 (0)
Bacterial 11 (22.9) 1 (2.8) 8 (100) 2 (50.0)
Non-Infectious 2 (4.2) 0 (0) 0 (0) 2 (50.0)
Procalcitonin (ng/mL)
Range 0.05-13.6 0.05-13.6 0.08-0.68 0.09-0.09
Median, [IQR] 0.17, [0.08-0.33] 0.2, [0.08-0.33] 0.24, [0.14-0.41] 0.09, [0.09-0.09]
C-Reactive Protein (mg/L)
Range 5-310 5-304 32-310 5-34
Median, [IQR] 74 [38-115] 74 [49-115] 94 [60-152] 16.5 [11-23]
Leukocyte Count
Range 2.6-19.1 2.6-13.9 10.5-19.1 9.7-15.7
Median, [IQR] 9 [5-11] 8 [4-10] 13 [11-16] 12 [10 -14]
Lymphocyte Count
Range 0.4-8.4 0.4-8.4 0.6-6.4 1.2-6.4
Median, [IQR] 0.95 [0.7-1] 0.8 [0.7-1.2] 1.4 [0.8-1.7] 2 [1.6-3.3]