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Table 1 The thicknesses of trapezius muscle on the left and right sides before surgery and after surgery according to the ultrasound scanner

From: Ultrasound-guided five-point injection of botulinum toxin for patients with trapezius hypertrophy

Patient

Before surgery

4 weeks

12 weeks

20 weeks

28 weeks

36 weeks

44 weeks

No.

Left

Right

Left

Right

Left

Right

Left

Right

Left

Right

Left

Right

Left

Right

1

1.39

1.31

1.26

1.24

1.19

1.15

1.26

1.21

1.28

1.23

1.29

1.25

1.31

1.26

2

1.13

1.22

1.02

1.10

0.96

1.04

1.05

1.10

1.07

1.14

1.08

1.15

1.09

1.16

3

1.32

1.42

1.25

1.35

1.23

1.33

1.29

1.38

1.29

1.38

1.30

1.39

1.31

1.40

4

1.26

1.29

1.13

1.10

1.13

1.11

1.17

1.18

1.20

1.21

1.20

1.21

1.20

1.21

5

0.99

1.10

0.90

0.98

0.86

0.97

0.90

1.01

0.92

1.02

0.94

1.03

0.95

1.04

6

1.10

1.21

1.05

1.15

0.99

1.10

1.02

1.11

1.04

1.15

1.06

1.15

1.06

1.15

7

1.25

1.32

1.13

1.19

1.09

1.13

1.11

1.16

1.16

1.21

1.18

1.25

1.19

1.25

8

1.24

1.20

1.03

1.00

1.01

0.99

1.09

1.06

1.16

1.13

1.17

1.14

1.17

1.15

9

1.23

1.33

1.10

1.19

1.06

1.11

1.09

1.16

1.12

1.18

1.14

1.19

1.16

1.21

10

1.55

1.52

1.32

1.29

1.34

1.31

1.41

1.40

1.41

1.40

1.41

1.40

1.40

1.39

11

1.22

1.10

1.07

0.98

1.06

1.00

1.10

1.02

1.10

1.03

1.11

1.03

1.12

1.03

12

1.44

1.30

1.21

1.16

1.10

1.05

1.25

1.19

1.34

1.26

1.36

1.26

1.36

1.26

13

1.25

1.28

1.12

1.10

1.14

1.12

1.21

1.23

1.21

1.23

1.21

1.23

1.21

1.23

14

1.39

1.35

1.31

1.25

1.33

1.26

1.34

1.27

1.36

1.30

1.36

1.30

1.36

1.29

15

1.05

1.01

0.89

0.83

0.88

0.80

0.90

0.87

0.93

0.91

0.93

0.90

0.93

0.91

16

1.24

1.10

1.02

0.93

0.95

0.87

1.03

1.00

1.15

1.03

1.15

1.04

1.15

1.04

17

1.03

1.06

0.85

0.88

0.87

0.89

0.98

1.01

0.99

1.02

0.99

1.02

0.98

1.02

18

1.34

1.32

1.22

1.17

1.14

1.11

1.16

1.13

1.18

1.15

1.21

1.20

1.23

1.21

19

1.17

1.10

1.05

0.95

1.07

1.00

1.11

1.03

1.12

1.07

1.13

1.07

1.14

1.07

20

1.14

1.11

1.04

1.01

1.02

1.00

1.06

1.03

1.10

1.09

1.09

1.08

1.10

1.09