Group | Number of cases | Number of positives | Number of negative | χ2 value | P value |
Therapy group | 122 | 9 | 113 | 177.3115 | 0.0000 |
Control group | 101 | 17 | 84 | 88.8911 | 0.0000 |
χ2 value | - | 4.7955 | - | - | |
P value | - | 0.0285 | - | - |