Egyptian Journal of Radiology and Nuclear Medicine

Table 1 Clinical and laboratory characteristics of patients

From: Automated quantification of COVID-19 pneumonia severity in chest CT using histogram-based multi-level thresholding segmentation

n = 153	n/Mean (SD)
Age (year)	53 (14)
Female:male	74:79
Onset of symptoms (day)	4.3
Symptoms
Sore throat	112
Fever	141
Malaise	151
Headache	141
Nasal congestion	106
Dyspnea	118
Dry cough	126
Loss of the taste and/or smell	132
Muscle and or joint pain	146
Nausea or vomiting	63
Diarrhea	57
Laboratory results
Lymphocytes (%)	17.6 (4.5)
C. reactive protein (mg/dL)	106 (48)
Lactate dehydrogenase (u/L)	448 (231)
Ferritin (ng/mL)	571 (368)
D. Dimer (mg/mL)	2.1
Comorbid diseases
Hypertension	84
Diabetes	78
Chronic kidney disease	31
Chronic liver disease	26
Smoking	46

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