Group | Excellent (case) | Good (case) | Fair (case) | Total cases | Excellent and good rate (%) | Excellent rate (%) |
Control group | 5 | 7 | 2 | 14 | 85.71 | 35.71 |
Observation group | 11 | 2 | 1 | 14 | 92.86 | 78.57 |
χ2 |
|
|
|
| χ2 = 0.373 | χ2 = 5.250 |
P |
|
|
|
| 0.54 | <0.05 |