Table 2. Changes in oxygen-support status after treatment by disease type.
| Oxygen support category |
Total (n=76) |
High-dose VitC | Standard therapy | ||||
|
Total (n=46) |
Moderate (n=28) |
Severe or critical (n=18) |
Total (n=30) |
Moderate (n=20) |
Severe or critical (n=10) |
||
| Low-flow oxygen — no. (%) | 14 (18.4) | 7 (15.2) | 5 (17.9) | 2 (11.1) | 7 (23.3) | 5 (25.0) | 2 (20.0) |
| High-flow oxygen — no. (%) | 22 (28.9) | 15 (32.6) | 7 (25.0) | 8 (44.4) | 7 (23.3) | 6 (30.0) | 1 (10.0) |
| Noninvasive positive pressure ventilation — no. (%) | 3 (3.9) | 2 (4.3) | 0 | 2 (11.1) | 1 (3.3) | 0 | 1 (10.0) |
| Discharge — no. (%) | 31 (40.8) | 21 (45.7) | 16 (57.1) | 5 (27.8) | 10 (33.3) | 9 (45.0) | 1 (10.0) |
| Death — no. (%) | 6 (7.9) | 1 (2.2) | 0 | 1 (5.6) | 5 (16.7) | 0 | 5 (50.0) |
| Improvement —no. (%) | 36 (47.4) | 23 (50.0) | 17 (60.7) | 6 (33.3) | 13 (43.3) | 11 (55.0) | 2 (20.0) |
Percentages of each oxygen support category were calculated with the number of patients at baseline as the denominator.
VitC: vitamin C.