Table 1 Clinical characteristics of patients with suspected COVID-19
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) | |