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Table 3 Baseline demographics and clinical characteristics of study participants stratified by clinical category

From: Comparison of the CO-RADS and the RSNA chest CT classification system concerning sensitivity and reliability for the diagnosis of COVID-19 pneumonia

Characteristic All (n = 359) Mild (n = 96) Moderate (n = 171) Severe (n = 92) p value
Age, mean ± SD 45 ± 16.9 30.7 ± 14.2 48.6 ± 15.2 53.5 ± 13.1 0.000
Gender      0.045
 Male 180 (50.1) 39 (40.6) 87 (50.9) 54 (58.7)  
 Female 179 (49.9) 57 (59.4) 84 (49.1) 38 (41.3)  
Symptoms
 Fever 273 (76) 41 (42.7) 142 (83.0) 90 (97.8) 0.000
 Cough 259 (72.1) 37 (38.5) 135 (78.9) 87 (94.5) 0.000
 DOB 202 (56.3) 0 (0) 123 (71.9) 79 (85.9) 0.000
 Diarrhea 20 (5.6) 5 (5.2) 8 (4.6) 7 (7.6) 0.512
Comorbidities 63 (17.5) 10 (10.4) 25 (14.6) 28 (30.4) 0.001
 Hypertension 24 (6.7) 5 (5.2) 10 (5.8) 9 (9.8) 0.379
 Diabetes 15 (4.2) 2 (2.1) 5 (2.9) 8 (8.7) 0.041
 COPD 11 (3.1) 1 (1.0) 4 (2.3) 6 (6.5) 0.070
 Heart disease 9 (2.5) 2 (2.1) 6 (3.5) 1 (1.1) 0.456
 CKD 4 (1.1) 0 (0) 0 (0) 4 (4.3) 0.004
Death 22 (6.1) 0 (0) 0 (0) 22 (23.7) 0.000
  1. Unless otherwise indicated, date represent the number of patients and percentage in parentheses
  2. n number, SD standard deviation, DOB difficulty of breathing, COPD Chronic obstructive pulmonary disease, CKD Chronic kidney disease