Table 2 Functional outcome after percutaneous repair versus open repair rupture at 12 months follow-up

Follow-up (months)

23.73 ± 2.81

22.61 ± 3.96

1.120

(− 0.874,3.114)

t = 1.124

p = 0.265

Rerupture rate

0

0

–

–

–

–

Dorsiflexion(°)

19.06 ± 2.42

19.25 ± 3.24

−0.195

(−1.663,1.273)

t = −2.66

p = 0.791

Plantflexion(°)

36.58 ± 4.39

35.41 ± 4.45

1.177

(−1.088,3.442)

t = 1.040

p = 0.303

Heel-rise (uninjured vs. injuried)

1.74 ± 0.96^*

2.37 ± 1.42^*

−1.178

(−1.170,-0.587)

t = −3.988

p = 0.000

Calf muscle circumference (uninjured vs. injuried)

1.74 ± 0.94^″*”

2.34 ± 1.45^″*”

−0.631

(−1.255,-0.007)

t = −2.025

p = 0.043

Anteroposterior diameter(mm)

10.16 ± 2.04

9.94 ± 2.01

0.215

(−0.825,1.255)

t = 0.413

p = 0.681

Cross-sectional diameter(mm)

16.54 ± 1.55^*

18.49 ± 1.59^*

−1.947

(−2.751,-1.143)

t = −4.847

p = 0.000

Length(cm)

11.98 ± 1.64

11.11 ± 1.74

0.874

(0.007,1.740)

t = 2.017

p = 0.048