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

From: Modified Bunnell suture repair versus bundle-to-bundle suture repair for acute Achilles tendon rupture: a prospective comparative study of patients aged <45 years

  Group A (bundle-bundle repair) Group B (modified Bunnel suture) Mean difference 95% confidence interval t p
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
  1. “*”: statistically significant difference between two groups (P > 0.05; Student’s t-test)