Table 1 Comparison of perioperative data between the MMW approach group and the Conventional approach group

Gender (n (%))

0.51

 Male

9(56.25)

15(68.2)

 Female

7(43.75)

7 (31.8)

Age (years, χ ± s)

48.6 ± 13.6

44.6 ± 9.0

1.07

Injured side (n (%))

1.0

 Right

10(62.5)

14(63.6)

 Left

6 (37.5)

8 (36.4)

Tscherne soft tissue classification (n (%))

1.0

 0

 1

 2

 3

2(12.5)

7(43.75)

6(37.5)

1(6.25)

3(13.6)

9(40.9)

9(40.9)

1(4.6)

Risk factor (n (%))

0.93

 Smoking

5(31.25)

8(36.4)

 Diabets

6(37.5)

12(54.5)

 Body mass index

7(43.75)

10(45.5)

Injury to surgery (days)

6.5(6,7)

7(6,7)

0.9

Follow-up period (months, χ ± s)

15.8 ± 1.2

16.7 ± 1.2

2.4

Operation time (mins, χ ± s)

95.7 ± 4.6

118.8 ± 7.1

12.2

Hospitalization time (days)

12(12,13)

13(12,14)

2.0

Bone healing time (months)

13 (12,14)

13(13,14)

1.7

AOFAS at the last follow-up

91.4 ± 2.6

86.4 ± 3.2

5.2

VAS at the last follow-up

0 (0,0.75)

0(0,1)

0.7

Complications (n (%))

1(6.3)

1(4.5)

1.0