Table 1.

Published results of other nonoperative treatments for knee flexion contractures after TKA

Author	Year	Number of knees	Treatment	Mean duration of treatment (range)	Mean pretreatment flexion contracture in degrees (range)	Mean posttreatment flexion contracture in degrees (range)
Tanzer and Miller [30]	1989	35	Intensive physiotherapy	55 weeks (no range given)	14.6 (range not reported)	2.9 (range not reported)
Shoji et al. [28]	1990	231	Organized physical therapy	4–6 weeks	Not reported	35 patients had posttreatment flexion contractures (range, 5°–15°) at 2 to 9 years followup
McPherson et al. [19]	1994	29	Standard physical therapy	12 months	11 (5–30)	1
Lizaur et al. [15]	1997	83	Standard physical therapy	24 months (12–41)	8.8 (0–45)	0.6 (0–10)
Cheng et al. [8]	2007	323	Intensive physiotherapy	1 year	11 ± 6	3 ± 5
Bonutti et al. [5]	2008	21	Static progressive stretch orthosis	9 weeks (3–27)	15 (3–65)	6 (0–45)
Present study	2009	47	Custom knee device	9 weeks (6–16)	22 (10–40)	1.4 (0–15)