Table 4 Comparison of the percentage of patients experiencing anxiety in the two groups
|  | Total patients (95) | open-face masks(47) | Control group(48) | χ2 | p |
|---|---|---|---|---|---|
Before treatment | 15.8%(15) | 19.1%(9) | 12.5%(6) | 0.711 | 0.399 |
One week of treatment | 16.8%(16) | 18.8%(9) | 14.6%(7) | 0.300 | 0.584 |
Three weeks of treatment | 24.2%(23) | 23.4%(11) | 25.0%(12) | 0.033 | 0.856 |
End of treatment | 28.4%(27) | 23.4%(11) | 33.3%(16) | 1.151 | 0.283 |