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Table 2 Subgroup comparisons

From: Long-term results and comparison of the three different high tibial osteotomy and fixation techniques in medial compartment arthrosis

  Opening wedge (n = 88) External fixator (n = 51) Closing wedge (n = 29) p value
Age
44.9 ± 10.6 years
44.6 ± 7.4 45.1 ± 8.5 45.5 ± 9.1 Nonsense
Follow-up (year)
12.4 ± 3.2 years
11.7 ± 5.4 11.3 ± 4.3 13.9 ± 6.2 p = 0.043
Mean MPTA Preop 83.6 ± 3.1 82.5 ± 4.5 83.8 ± 4.3 Nonsense
Last control 88.7 ± 1.9 89.5 ± 3.1 92.3 ± 6.5 p = 0.026
Mean MAD Preop 28.1 ± 5.5 varus 29.3 ± 4.1 varus 26.4 ± 3.2 varus Nonsense
Last control 3.3 ± 3.1 valgus 3.2 ± 2.4 valgus 4.6 ± 6.3 valgus p = 0.024
Mean tibial slope Preop 7.3 ± 4.5 7.1 ± 3.3 7.1 ± 4.2 Nonsense
Last control 8.9 ± 5.1 7.8 ± 3.2 6.2 ± 7.3 p = 0.032
Complication
13 patients(8%)
  7 patients (8.4%)
-İmplant failure—3 patient
-Delayed union—1 patient
-Malunion—1 patient
-DVT—1 patient
-Deep infection—1 patient
4 patients (8.1%)
-Delayed union—1 patient
-Grade 3 pin tract infection—3 patient
2 patients (7.1%)
-Transient peroneal nerve palsy—1 patient
-DVT—1 patient
Nonsense
Revision with TKA 27 patients 12 (13.4%) 10 (19.6%) 5 (17.2%) p = 0.041
KSS Preop 56.1 ± 15.9 56.2 ± 14.6 57.0 ± 11.7 Nonsense
Last control 70.4 ± 10.7 70.1 ± 9.8 70.3 ± 12.1 Nonsense
HSS knee score Preop 51.2 ± 8.9 51.3 ± 7.4 51.5 ± 9.5 Nonsense
Last control 64.7 ± 10.2 64.5 ± 9.7 65.0 ± 11.2 Nonsense