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Table 2 Measurements of the patellofemoral joint before surgery and at last follow-up

From: The morphology of patella changed significantly after soft tissue correction for children with recurrent patella dislocation

Measurement Group Before surgery At last follow-up P Value
PTA(°) affected side 28.4 ± 7.1 10.7 ± 2.3 < 0.01
unaffected side 9.2 ± 2.5 9.4 ± 2.1 0.746
SA(°) affected side 148.2 ± 7.2 144.1 ± 5.4 0.038
unaffected side 137.7 ± 5.4 139.3 ± 5.9 0.357
TT-TG (mm) affected side 17.91 ± 3.67 17.54 ± 3.21 0.725
unaffected side 12.20 ± 2.04 13.41 ± 1.50 0.031
CA(°) affected side 22.8 ± 6.3 8.4 ± 2.6 < 0.01
unaffected side 4.8 ± 3.4 4.4 ± 3.1 0.647
  1. PTA patellar tilt angle, SA sulcus angle, TT-TG tibial tuberosity trochlear groove distance, CA congruence angle