Table 3 Assigned treatment doses received and corticosteroid administration from day 0 to day 7
|  | UC-MSCs (n = 21) | Placebo (n = 24) |
|---|---|---|
Number of doses received over 7Â days | 2.7 (0.6) | 2.7 (0.5) |
 One | 2 (9.5%) | 1 (4.2%) |
 Two | 2 (9.5%) | 4 (16.7%) |
 Three | 17 (81%) | 19 (79.2%) |
Corticosteroids administered for 7Â days | 15 (71.4%) | 19 (79.2%) |