Skip to main content

Table 1 Clinical characteristics of patients with COVID-19 on admission

From: Risk factors for disease progression in Japanese patients with COVID-19 with no or mild symptoms on admission

Characteristics Total (n = 210) Worsened (n = 49) Stable (n = 161) P value
Age, years 52.14 ± 20.14 63.47 ± 13.39 48.69 ± 20.58  < 0.001
Sex, n (%)     0.013
 Male 126 (60.0) 37 (75.5) 89 (55.3)
 Female 84 (40.0) 12 (24.5) 72 (44.7)
BMI, n (%)      < 0.001
  < 25 kg/m2 139 (66.2) 20 (40.8) 119 (73.9)
  ≥ 25 kg/m2 71 (33.8) 29 (59.2) 42 (26.1)
Comorbidities, n (%)     
 Hypertension 52 (24.8) 25 (51.0) 27 (16.8)  < 0.001
 Asthma 26 (12.4) 6 (12.2) 20 (12.4)  > 0.99
 Diabetes mellitus 23 (11.0) 11 (22.5) 12 (7.5) 0.0071
 Cardiovascular disease 23 (11.0) 10 (20.4) 13 (8.1) 0.033
 Interstitial lung disease 5 (2.4) 0 (0.0) 5 (3.1) 0.59
Laboratory data     
 WBC, 109/L 5.19 ± 2.07 5.33 ± 2.36 5.15 ± 1.94 0.58
 NLR 4.21 ± 8.26 4.45 ± 4.18 4.32 ± 5.35 0.21
 Hemoglobin, g/dL 14.07 ± 6.22 13.88 ± 1.93 14.13 ± 1.70 0.37
 CRP, mg/dL 1.78 ± 7.41 3.55 ± 3.89 1.24 ± 2.30  < 0.001
 LDH, U/L 206.19 ± 68.81 245.35 ± 3.89 194.27 ± 62.54  < 0.001
 Ferritin, ng/mL 282.74 ± 303.02 507.24 ± 437.22 214.41 ± 204.81  < 0.001
 D-dimer, µg/mL 1.31 ± 7.87 1.43 ± 2.98 1.28 ± 4.14 0.81
  1. Categorical data are presented as numbers (percentages) and were analyzed using Fisher’s exact test. Continuous data are presented as mean ± standard deviation and were analyzed using Student’s t-test. P < 0.05 was considered statistically significant
  2. BMI body mass index, WBC white blood cell, NLR neutrophil-to-lymphocyte ratio, CRP C-reactive protein, LDH lactate dehydrogenase