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Table 2 Comparison between pre- and post-treatment assessment of group 1 as regards Green’s classification, finger extension, presence of nodules, locking, and hypervascularity

From: Extra-corporeal shock wave therapy versus local corticosteroid injection in treatment of chronic trigger finger in diabetic patients

 

Shock wave

Chi-square

Before

After

N

%

N

%

χ2

P-value

Green’s classification

I

0

0.00

16

64.00

27.139

 < 0.001**

II

9

36.00

7

28.00

III

16

64.00

2

8.00

Finger extension

No

9

36.00

0

0.00

8.672

0.003*

Extend

16

64.00

25

100.00

Presence of nodule

No

17

68.00

24

96.00

4.878

0.027*

Present

8

32.00

1

4.00

Locking

Negative

0

0.00

20

80.00

30.083

 < 0.001**

Positive

25

100.00

5

20.00

Hypervascularity

Negative

22

88.00

24

96.00

1.087

0.297

Positive

3

12.00

1

4.00

  1. N, number; %, percentage; P > 0.05 NS; *P ≤ 0.05 S, **P ≤ 0.001 HS, chi-square test