BioMed Research International / 2021 / Article / Tab 1

Research Article

An Interpretable Model-Based Prediction of Severity and Crucial Factors in Patients with COVID-19

Table 1

Demographic, clinical characteristics, and laboratory tests of the patients.

Mild group ()Severe group ()

Age (years)
 Mean (SD)<0.001
 Range17-8128-86
 Median age4664.50
Gender0.513
 Male67 (41.36%)13 (36.11%)
 Female95 (58.64%)23 (63.89%)
Signs and symptoms at admission
 Days from onset (days)0.038
 Temperature (°C)<0.001
 Fever119 (73.46%)27 (75.00%)<0.001
 Cough96 (59.29%)23 (63.89%)<0.001
 Fatigue34 (20.99%)10 (27.78%)0.352
 Shortness of breath16 (9.88%)7 (19.44%)0.140
 Chest tightness13 (8.02%)3 (8.33%)1
 Dyspnea6 (3.70%)7 (19.44%)0.002
 Fear of cold6 (3.70%)5 (13.89%)0.026
 Diarrhea8 (4.94%)1 (2.78%)1
 Headache8 (4.94%)1 (2.78%)1
 Dizziness4 (2.47%)3 (8.33%)0.105
 Palpitation1 (0.62%)3 (8.33%)0.018
Preexisting disease
 Hypertension11 (6.79%)8 (22.22%)0.008
 Diabetes6 (3.70%)4 (11.11%)0.077
 CAD5 (3.09%)2 (5.56%)0.356
 Lung cancer01 (2.78%)0.176
 Myocardial infarction01 (2.78%)0.176
 Cerebral infarction01 (2.78%)0.176
 Tuberculosis01 (2.78%)0.176
Laboratory tests
 WBC (×109/L)0.014
 Neutrophil (×109/L)0.001
 Neutrophil ratio (%)<0.001
 Lymphocyte (×109/L)<0.001
 Lymphocyte ratio (%)<0.001
 NLR0.004

CAD: coronary artery disease; WBC: white blood cell; NLR: neutrophil-to-lymphocyte ratio. Fisher’s exact test.

Article of the Year Award: Outstanding research contributions of 2020, as selected by our Chief Editors. Read the winning articles.