Mental symptoms (21 items)

Pre-surgery

Post-surgery

p value

change

2nd evaluation of QOL

Scores at baseline

Scores at 2 weeks

(%)

Irritability

1.4 ± 0.6

1.5 ± 0.7

0.392

2.9

→

Easily angered

2.1 ± 1.3

2.0 ± 1.2

0.388

−4.1

→

Loss of motivation

1.9 ± 1.0

1.6 ± 0.7

0.105

−13.8

↓

No feeling of happiness

1.8 ± 1.1

1.5 ± 0.6

0.086

−16.1

↓

Nothing to look forward in life

1.7 ± 0.8

1.8 ± 0.9

0.195

10.3

↑

Daily life is not enjoyable

1.8 ± 1.0

1.6 ± 0.9

0.182

−12.0

↓

Loss of confidence

1.7 ± 1.0

1.6 ± 1.0

0.333

−6.1

→

Reluctance to talk with others

1.7 ± 0.9

1.6 ± 1.0

0.350

−5.2

→

Depressed

1.7 ± 1.0

1.7 ± 1.1

0.500

0.0

→

A sense of uselessness

1.6 ± 1.1

1.6 ± 0.9

0.483

−0.6

→

Shallow sleep

1.7 ± 1.0

1.6 ± 0.7

0.259

−8.0

→

Difficulty falling asleep

1.6 ± 1.0

1.5 ± 0.8

0.477

−0.8

→

Pessimism

2.3 ± 1.3

2.7 ± 1.3

0.124

15.2

↑

Lapse of memory

2.1 ± 1.3

2.6 ± 1.4

0.083

21.0

↑

Inability of concentrate

1.9 ± 1.2

1.8 ± 1.1

0.408

−3.3

→

Inability to solve problems

2.4 ± 1.1

2.3 ± 1.2

0.339

−4.8

→

Inability to make judgements readily

1.9 ± 1.0

1.8 ± 0.9

0.309

−6.1

→

Inability to sleep because of worries

1.7 ± 0.9

1.6 ± 0.7

0.264

−7.1

→

A sense of tension

1.8 ± 1.0

1.7 ± 0.8

0.241

−8.6

→

Feeling of anxiety for no special reason

2.1 ± 1.2

1.8 ± 1.0

0.081

−17.2

↓

A vague feeling of fear

2.4 ± 1.2

1.9 ± 1.1

0.064

−17.7

↓