Table 1  Characteristics of patients with COVID-19.
Demographic  Clinical classifications on admission  Outcome at composite endpoint
Mild/ordinary cases  Severe cases  Critical cases  Total  Hospital discharge  Improved  Exacerbation  Death  Total
Age, years(x ± s)  57.08 ± 12.92  64.94 ± 12.75  70.18 ± 13.86  63.55 ± 13.86  59.42 ± 14.78  63.94 ± 12.24  67.75 ± 15.36  70.87 ± 10.00  63.55 ± 13.86
Distribution, n (%)
 <60  20 (17.4%)  11 (9.6%)  6 (5.2%)  37 (32.2%)  24 (20.9%)  8 (6.9%)  1 (0.8%)  4 (3.5%)  37 (32.2%)
 ≥60  19 (16.5%)  37 (32.2%)  22 (19.1%)  78 (67.8%)  28 (24.3%)  24 (20.9%)  7 (6.1%)  19 (16.5%)  78 (67.8%)
 Total  39 (33.9%)  48 (41.7%)  28 (24.3%)  115  52 (45.2%)  32 (27.8%)  8 (6.9%)  23 (0.2%)  115
Gender
 Male, n (%)  20 (17.4%)  29 (25.2%)  17 (14.8%)  66 (57.4%)  28 (24.3%)  19 (16.5%)  7 (6.1%)  12 (10.4%)  66 (57.4%)
 Female, n (%)  19 (16.5%)  19 (16.5%)  11 (9.6%)  49 (42.6%)  24 (20.9%)  13 (11.3%)  1 (0.8%)  11 (9.6%)  49 (42.6%)
Total  39 (33.9%)  48 (41.7%)  28 (24.3%)  115  52 (45.2%)  32 (27.8%)  8 (6.9%)  23 (0.2%)  115