|
Characteristics
|
Training cohort
|
Internal validation cohort
|
External validation cohort
|
|---|
|
(N = 111)
|
(N = 111)
|
(N = 228)
|
|---|
|
Demographics
|
|
Age, years
|
62 (54.5-72)
|
64 (52-70.5)
|
63 (50-70)
|
|
Sex
|
|
Female
|
65 (58.56%)
|
53 (47.75%)
|
116 (50.88%)
|
|
Male
|
46 (41.44%)
|
58 (52.25%)
|
112 (49.12%)
|
|
Clinical characteristics
|
|
Comorbidity number
|
1 (0-2)
|
1 (1-2)
|
1 (0-2)
|
|
Comorbidity
|
|
Hypertension
|
40 (36.04%)
|
52 (46.85%)
|
86 (37.72%)
|
|
Diabetes
|
21 (18.92%)
|
26 (23.42%)
|
41 (17.98%)
|
|
Coronary heart disease
|
6 (5.41%)
|
12 (10.81%)
|
16 (7.02%)
|
|
Tumor
|
8 (7.21%)
|
12 (10.81%)
|
17 (7.46%)
|
|
COPD
|
1 (0.9%)
|
2 (1.8%)
|
2 (0.88%)
|
|
Symptoms at admission
|
|
Fever
|
97 (87.39%)
|
90 (81.08%)
|
166 (72.81%)
|
|
Temp (max) ≥ 39 °C
|
28 (25.23%)
|
24 (21.62%)
|
45 (19.74%)
|
|
Cough
|
78 (70.27%)
|
79 (71.17%)
|
170 (74.56%)
|
|
Dyspnea
|
56 (50.45%)
|
51 (45.95%)
|
88 (38.6%)
|
|
Sputum
|
44 (39.64%)
|
49 (44.14%)
|
108 (47.37%)
|
|
Fatigue
|
48 (43.24%)
|
49 (44.14%)
|
56 (24.56%)
|
|
Diarrhea
|
31 (27.93%)
|
34 (30.63%)
|
35 (15.35%)
|
|
Myalgia
|
23 (20.72%)
|
36 (32.43%)
|
34 (14.91%)
|
|
Nausea or vomiting
|
3 (2.7%)
|
7 (6.31%)
|
2 (0.88%)
|
|
Vital status
|
|
Critical illness
|
12 (10.81%)
|
16 (14.41%)
|
25 (10.96%)
|
|
Noncritical illness
|
99 (89.19%)
|
95 (85.59%)
|
203 (89.04%)
|
|
Follow-up
|
|
Time to critical illness, days
|
25 (14.5-34)
|
25 (10-30.5)
|
18.5 (11.75-30.25)
|
- Continuous variables were presented as median (interquartile ranges [IQR]) while categorical variables as counts and percentages (%)
- COPD, chronic obstructive pulmonary disease
