[Retracted] Effect of Psychological Intervention-Assisted Comfort Nursing Based on PERMA Model on Stress and Psychological Changes of Patients after Breast Cancer Surgery

Table 4

Stress response scores of the two groups of patients ().

Group	HR (bout/min)	MAP (kPa)	NE (ng/L)	E (ng/L)
1 d before the operation
Observation group ()
Control group ()
Operation in progress
Observation group ()	^CA	^CA	^CA	^CA
Control group ()	^A	^A	^A	^A
At the end of the operation
Observation group ()	^CB	^CB	^CB	^CB
Control group ()	^AB	^AB	^AB	^AB

Note: compared with the control group at the same time point, ^C. Compared with 1 d before the operation, ^a within the group. Compared with the operation in the group, ^b.