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. Author manuscript; available in PMC: 2015 Mar 5.
Published in final edited form as: Am J Phys Med Rehabil. 2014 Jul;93(7):579–585. doi: 10.1097/PHM.0000000000000065

TABLE 1.

Outcomes by time point

Variable Preoperative, Mean
(SD) (Range)		 Acute, Mean
(SD) (Range)		 Long-term, Mean
(SD) (Range)
Involved knee flexion, degrees 119.7 ± 15.2 (80.0 to 141.0) 66.6 ± 16.7 (20.0 to 103.0) 115.1 ± 10.5 (86.0 to 144.0)
Involved knee extension, degrees 1.5 ± 5.8 (−8.0 to 25.0) 10.4 ± 4.8 (−1.0 to 20.0) 0.8 ± 4.9 (−8 to 18)
TUG test, secs 9.0 ± 3.5 (4.4 to 20.6) 69.0 ± 54.3 (13.9 to 315.0) 7.9 ± 2.3 (4.5 to 14.9)
6MW test, meters 452.7 ± 124 (106.7 to 707.1) — 483.3 ± 95.8 (265.2 to 696.5)

The 6MW test was not performed at the acute postoperative time point. For knee extension, negative values represent hyperextension.