Breast cancer PTSD group a

Breast cancer non-PTSD group b

Normal group c

Pre-intervention

23.06 ± 14.08

23.28 ± 10.45

14.39 ± 14.07

Post-intervention

17.76 ± 12.12

20.37 ± 18.36

13.18 ± 9.23

Pair t

2.08

0.94

0.54

P

0.038*

0.357

0.594