Table 3 Comparison between the studied groups as regards improvement of the motor power, postoperative sphincteric condition, patients’ satisfaction, amount of blood loss, and operation time

Improvement of the motor power

Complete improvement

N

6

5

0.662

%

75.0

71.4

Little improvement

N

2

2

%

25.0

28.6

Postoperative sphincteric condition

Not improved

N

2

3

0.657

%

33.3

37.5

Partial improvement

N

4

5

%

66.7

62.5

Patient satisfaction

No

N

2

3

0.543

%

9.1

12.5

Yes

N

20

21

%

90.9

87.5

Amount of blood loss (ml)

205.9

283.3

<0.001*

51.3

35.9

Operation time (minutes)

104.1

141.5

<0.001*

11.2

8.7