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Table 1 Clinical characteristics of patients with suspected COVID-19

From: Proposal of COVID-19 Clinical Risk Score for the management of suspected COVID-19 cases: a case control study

  Total
(N = 110)
PCR
(n = 67)
No PCR
(n = 43)
P value
Characteristics
 Age, years 68 (50–78) 69 (51–76) 67 (40–78) 0.78
 Male 84 (76.4) 54 (80.6) 30 (69.8) 0.25
Comorbidities
 Hypertension 32 (29.1) 22 (32.8) 10 (23.3) 0.39
 Diabetes 28 (25.4) 14 (20.9) 9 (20.9) 1.00
 Malignancy 36 (32.7) 20 (29.9) 16 (37.2) 0.53
 Chronic lung disease 27 (24.5) 20 (29.9) 8 (18.6) 0.26
 Chronic heart failure 12 (10.9) 6 (9.0) 6 (14.0) 0.53
 Coronary artery disease 16 (14.5) 10 (14.9) 6 (14.0) 1.00
 Chronic renal disease 17 (15.4) 10 (14.9) 7 (16.3) 1.00
 Cerebrovascular disease 14 (12.7) 10 (14.9) 4 (9.3) 0.56
 Immunodeficiency 21 (19.1) 10 (14.9) 11 (25.6) 0.21
History
 Days from onset of symptoms 3 (2–7) 3 (2–7) 5 (2–11.5) 0.32
 High-risk exposure history 9 (8.1) 9 (13.4) 0 (0.0) 0.01
Symptoms
 Fever 80 (72.4) 47 (70.2) 27 (62.3) 0.53
 Cough 31 (28.1) 18 (26.9) 14 (32.6) 0.53
 Nasal congestion 3 (2.7) 2 (3.0) 2 (4.7) 0.64
 Sore throat 4 (3.6) 2 (3.0) 2 (4.7) 0.64
 Dyspnea 22 (20) 17 (25.4) 5 (11.6) 0.09
 Anosmia or ageusia 2 (1.82) 1 (1.5) 1 (2.3) 1.00
 No symptoms 14 (12.7) 7 (10.5) 7 (16.3) 0.39
Respiratory failure 29 (26.3) 23 (34.3) 7 (16.3) 0.049
Laboratory values
 White blood cell count, cells/μL 6600 (5000–9900) 7600 (5400–10,800) 7100 (6000–10,200) 1.00
 Neutrophil count, cells/μL 4524 (3089–7380) 4709 (3144–9378) 4981 (3678–7500) 0.81
 Lymphocyte count, cells/μL 1046 (697–1597) 1089 (677–1587) 1288 (780–1719) 0.50
 Eosinophil count, cells/μL 58 (0–165) 91 (21–179) 66 (0–196) 0.55
 Platelet count, ×104/μL 18.9 (14.5–25.9) 19.5 (14.5–24.2) 19.7 (16.5–28.3) 0.26
 Lactate dehydrogenase, IU/L 215 (177–319) 213 (169–329) 200 (166–250) 0.14
 C-reactive protein, mg/dL 4.10 (0.61–8.14) 4.30 (1.26–8.38) 1.36 (0.18–7.03) 0.06
 Procalcitonin, ng/mL 0.08 (0.03–0.46) 0.18 (0.04–3.88) 0.04 (0.02–0.44) 0.10
CT imaging Score 2.01 ± 1.23 2.46 ± 1.15 1.28 ± 1.05 < 0.001
Differential diagnosis
 High likelihood of COVID-19 5 (4.6) 5 (7.5) 0 (0.0) 0.007
 High likelihood of alternative diagnosis 79 (71.8) 42 (62.7) 37 (86.1)
  1. Data are shown as median (interquartile range), mean ± SD, or number (%)