Table 4.
Comparison of psychological status before and after operation (x̅±sd)
| Group | Time | SDS scores | SAS scores |
|---|---|---|---|
| Control group (n=439) | On admission | 49.2±3.0 | 50.4±4.2 |
| 1 day before operation | 49.1±3.2 | 50.4±4.0 | |
| At discharge | 48.2±3.5 | 49.8±4.6 | |
| Observation group (n=439) | On admission | 49.1±3.1 | 50.2±4.3 |
| 1 day before operation | 47.9±3.0***,### | 47.6±4.5***,### | |
| At discharge | 45.2±3.3***,### | 46.3±4.4***,### |
Note: Comparison with the scores on admission in the same group;
***
P<0.001.
Comparison with the control group;
###
P<0.001.
SDS, self-rating depression scale; SAS, self-rating anxiety scale.