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Table 5 Differences of 18 months vs. preoperative and of 6 months vs. preoperative: Comparison of the different subgroups

From: Health-related quality of life and clinical outcomes following medial open wedge high tibial osteotomy: a prospective study

  Difference
18 months-preop
Difference
18 months-preop
Difference
18 months-preop
  11 days 6 weeks p-value No Navigation Navigation p-value Age > 40 Age ≤ 40 p-value
PCS 16.3 ± 15.0 14.1 ± 13.9 n.s. 14.8 ± 14.3 15.8 ± 14.9 n.s. 14.0 ± 13.4 21.7 ± 18.4 p < 0.05*
MCS 4.8 ± 12.7 1.9 ± 16.4 n.s. 1.6 ± 16.0 5.4 ± 12.8 n.s. 4.0 ± 13.0 2.6 ± 16.6 n.s.
  Difference
6 months-preop
Difference
6 months-preop
Difference
6 months-preop
  11 days 6 weeks p-value No Navigation Navigation p-value Age > 40 Age ≤ 40 p-value
PCS 10.2 ± 14.2 8.0 ± 2.3 n.s. 11.4 ± 12.7 7.0 ± 16.3 n.s. 8.3 ± 13.4 13.3 ± 3.8 n.s.
MCS 2.9 ± 13.3 1.0 ± 10.1 n.s. 2.3 ± 10.9 1.7 ± 13.3 n.s. 2.7 ± 12.3 −1.4 ± 11.1 n.s.