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. 2021 Dec;62(6):623–629. doi: 10.3325/cmj.2021.62.623

Table 1.

Demographics and laboratory analyses in patients with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), influenza virus, and respiratory syncytial virus (RSV)

           Patients with
 P
          Characteristics SARS-CoV-2
(n = 213)           RSV (n = 79)           Influenza (n = 393)           SARS-CoV-2 vs RSV           SARS-CoV-2 vs influenza three-group comparisons
          Age (y), median (interquartile range [IQR])
           62.16 (44-77.5)
           76.24 (70-86)
           68.14 (57-83)
           <0.001
           <0.001
 <0.001
          Sex, n (%)
          0.025
           0.014
 0.017
          male
           121 (56.8)
           33 (41.8)
           181 (46.1)
          female
           92 (43.2)
           46 (58.2)
           212 (53.9)
          Comorbidities n (%)*
           133 (62.4)
           54 (68.4)
           242 (61.6)
           0.411
           0.861
 0.523
          Laboratory analyses, median (IQR)
          white blood cells (106/μL)
           6.3 (4.8-8.6)
           8.6 (6.9-11.2)
           8 (5.7-11)
           <0.001
           <0.001
 <0.001
          absolute lymphocyte count (106/μL)
           1.1 (0.8-1.5)
           1.0 (0.7-1.6)
           0.9 (0.6-1.4)
           0.371
           <0.001
 0.001
          platelet count (103/μL)
           202 (163-247)
           220 (181-287)
           199 (158-254)
           0.007
           0.664
 0.009
          lactate dehydrogenase, (U/L)
           438 (333-591)
           402 (344-494)
           409 (329-507)
           0.199
           0.035
 0.098
          creatinine (mg/dL)
           0.9 (0.8-1.1)
           1 (0.8-1.3)
           0.9 (0.7-1.3)
           0.163
           0.224
 0.328
          alanine aminotransferase (U/L)
           21 (14-35)
           16.5 (12-23.25)
           18 (13-28.75)
           0.003
           0.017
 0.006
          C-reactive protein (mg/L)
           41 (10.9-100)
           36 (17.8-86.6)
           44.4 (19.7-85)
           0.907
           0.241
 0.386
          albumin (g/dL)
           3.7 (3.4-4.1)
           3.7 (3.5-4)
           3.65 (3.3-4)
           0.693
           0.007
 0.020
          ferritin (μg/L)
           329 (158-663)
           210 (99-515)
           245 (127-448)
           0.045
           0.017
 0.024
Hospitalization length of stay (days) median (IQR)           4.9 (2.6-9.6)           4.2 (3.1-8.8)           3.5 (2.2-6.4)           0.752           0.001 <0.001

*Comorbidities include a prior diagnosis of at least one condition: diabetes mellitus, obesity, current malignancy, dementia, immunocompromised state (including organ transplant recipients, acquired immune deficiency syndrome, chronic use of corticosteroids of at least 20 mg prednisone per day or equivalent).