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Table 3 Mean and distribution of degrees of change of the joint line convergence angle (JLCA)

From: Difference in the early postoperative change of the joint line convergence angle between opening wedge and closed wedge high tibial osteotomies

   Preop to postop 0 day Postop 0 to 2 days Postop 2 days to
1 month
Postop 1 to
12 months
OWHTO CWHTO OWHTO CWHTO OWHTO CWHTO OWHTO CWHTO
Mean − 0.6 ± 1.5 − 3.1 ± 2.8 − 2.0 ± 1.4 − 0.7 ± 1.5 0.1 ± 1.3 0.4 ± 2.1 0.1 ± 1.2 0.4 ± 1.5
P < 0.001 P < 0.001 P = 0.55 P = 0.36
Number ≤− 2° 25 63 54 23 8 10 5 4
− 1° 22 7 17 25 12 13 12 13
21 7 12 19 27 18 39 31
12 5 2 12 21 21 19 20
≥ 2° 5 3 0 6 17 23 10 17
  P < 0.001 P < 0.001 P = 0.56 P = 0.57
  1. Note that radiographs were taken in the standing position at preoperative and postoperative 1 and 12 months, and in the supine position at postoperative 0 and 2 days