Included study

Children’ preoperative anxiety (2)

Parent’s preoperative anxiety (1)

Agitation during anesthesia induction (1)

Agitation during recovery period(2)

Anesthesia cooperation

(2)

Postoperative pain (2)

Total scores (10 points)

Afsansh et al. [7]

2

1

0

0

0

0

3

Kristen et al. [17]

0

1

0

2

2

2

7

Zeev et al. [8]

2

0

1

2

0

0

5

Arai et al. [18]

1

0

0

2

0

0

3

Farid et al. [16]

2

0

0

0

0

0

2

Li [9]

2

1

0

2

0

2

7

Farid et al. [10]

2

0

0

2

0

0

4

Spaffor et al. [21]

2

0

0

0

2

0

4

Kain et al. [11]

2

1

0

2

0

0

5

Zeev et al. [20]

2

1

0

2

0

0

5

W. J. Huuang. et al. [19]

2

1

0

0

2

0

5

L. F Wang et al. [12]

2

0

0

0

0

0

2

J. F. Lou et al. [13]

2

0

0

2

2

2

8

G. Y. Zhang. et al. [14]

2

0

0

2

2

0

6

Q. Xu et al. [15]

2

0

0

0

2

0

4