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Table 2 Mean range of motion (ROM) and Knee Society scores according to group

From: Intraoperative patellar maltracking and postoperative radiographic patellar malalignment were more frequent in cases of complete medial collateral ligament release in cruciate-retaining total knee arthroplasty

  Group 1 (n = 67) Group 2 (n = 75) P value
Preoperative ROM (degrees) 132.7 ± 13.9 130.7 ± 13.9 0.389a
ROM (degrees) at the final follow up 129.9 ± 14.0 130.4 ± 12.2 0.582b
Preoperative knee score 47.4 ± 4.7 46.8 ± 5.2 0.453a
Knee score at the final follow up 91.5 ± 4.6 91.4 ± 5.6 0.674b
Preoperative function score 28.4 ± 11.9 28.3 ± 11.9 0.934a
Function score at the final follow up 78.0 ± 7.3 79.8 ± 8.4 0.458b
  1. aStudent t test
  2. bRepeated measures analysis of variance