Table 2. Comparison of hair grayscale values among the treatment group, the model control group and the young control group on the 28th day after the last cell transplantation (n=10).
| Number | Average grayscale value | |||
| Head | Back | Hip | ||
| therapy group | 1 | 224.584900 | 226.486500 | 237.086000 |
| 2 | 226.692800 | 236.065000 | 240.505800 | |
| 3 | 228.995100 | 236.873100 | 241.473300 | |
| 4 | 227.834100 | 239.082500 | 237.032800 | |
| Model control group a | 1 | 235.332200 | 174.640200 | 234.459100 |
| 2 | 183.543900 | 176.022000 | 236.832800 | |
| 3 | 232.655900 | 162.153500 | 233.007700 | |
| Youth control group bc | 1 | 233.800600 | 239.135800 | 235.790600 |
| 2 | 233.593600 | 240.373500 | 239.009100 | |
| 3 | 238.075300 | 238.796600 | 236.279800 | |
Note: a is p<0.01 compared with the treatment group; b is p>0.05 compared with the treatment group; c is p<0.01 compared with the model control group.