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. 2020 Aug 24;22(8):e22033. doi: 10.2196/22033

Table 1.

Characteristics of the patients included in model training. Data are represented as n (%), mean ± standard deviation, or median (IQR).

Characteristic Not hospitalized (n=402) Discharged (n=185) Ventilated (n=19) Deceased (n=95)

Value Value P valuea Value P valueb Value P valueb
Age (years), mean (SD) 48 (17) 50 (17) .32 58 (20) .03 67 (14) <.001
Male sex, n (%) 182 (45.3) 89 (48.1) .52 14 (73.7) .02 60 (63.2) .002
BMI, kg/m2, mean (SD) 25 (4) 28 (6) .16 29 (5) .46 25 (6) .06
Systolic BPc (mm Hg), mean (SD) 132 (14) 123 (19) .004 126 (20) .78 94 (40) <.001
Diastolic BP (mm Hg), mean (SD) 82 (8) 71 (11) <.001 70 (12) .29 54 (26) <.001
Temperature (ºF), mean (SD) 99 (1) 98 (5) .54 99 (1) .66 100 (2) .12
Pulse (beats per minute), mean (SD) 90 (18) 84 (14) .06 93 (14) .03 74 (54) .02
Asthma, n (%) 44 (10.9) 12 (6.5) .09 3 (15.8) .37 6 (6.3) .31
COPDd, n (%) 60 (14.9) 17 (9.2) .06 3 (15.8) .74 15 (15.8) .48
Cancer, n (%) 13 (3.2) 5 (2.7) .73 2 (10.5) .07 14 (14.7) <.001
Cardiovascular comorbiditiese, n (%) 120 (29.9) 61 (33.0) .45 10 (52.6) .04 65 (68.4) <.001
Diabetes, n (%) 96 (23.9) 53 (28.6) .22 9 (47.4) .03 52 (54.7) <.001
HIV/AIDS, n (%) 3 (0.7) 2 (1.1) .68 0 (0.0) .69 3 (3.2) .053
Liver disease, n (%) 11 (2.7) 10 (5.4) .11 2 (10.5) .12 4 (4.2) .76
Renal disease, n (%) 20 (4.9) 17 (9.2) .051 3 (15.8) .10 21 (22.1) <.001
cTnIf (pg/mL), median (IQR) 7.07 (7.07-7.07) 7.07 (7.07-7.07) .30 20.00 (7.07-63.75) <.001 73.50 (7.07-712.00) <.001
CRPg (mg/L), median (IQR) 51.40 (16.55-101.35) 67.90 (17.95-121.50) .28 37.30 (27.30-139.72) .44 176.00 (115.00-287.00) <.001
PCTh (ng/mL), median (IQR) 0.12 (0.06-0.36) 0.10 (0.05-0.31) .31 0.69 (0.07-1.91) .008 1.61 (0.35-8.31) <.001
D-Dimer (μg/mLi), median (IQR) 0.39 (0.20-0.71) 0.27 (0.18-0.56) .047 0.86 (0.50-3.02) <.001 1.58 (0.72-5.35) <.001
NT-proBNPj (pg/mL), median (IQR) 93.00 (36.50-375.25) 88.00 (28.50-298.00) .60 217.00 (78.00-394.25) .13 937.00 (160.25-5728.50) <.001

aCompared to patients who were not hospitalized.

bCompared to patients who were not hospitalized or discharged.

cBP: blood pressure.

dCOPD: chronic obstructive pulmonary disease.

eCardiovascular comorbidities: one or more of cerebrovascular disease, heart failure, ischemic heart disease, myocardial infarction, peripheral vascular disease, and hypertension.

fcTnI: cardiac troponin I.

gCRP: C-reactive protein.

hPCT: procalcitonin.

iµg/mL: micrograms per milliliter.

jNT-proBNP: N-terminal fragment of the prohormone brain natriuretic peptide.