Short Term Recovery of Function following Total Knee Arthroplasty: A Randomised Study of the Medial Parapatellar and Midvastus Approaches

Table 4

Mean (std) values of the pre- and postoperative gait characteristics of the medial parapatellar (MP) and midvastus (MV) groups. value for the effect of surgical approach.

		Before surgery	3 months	6 months	value
Walking speed (m/s)	MP	0.83 (0.18)	0.90 (0.22)	0.96 (0.15)	0.666
	MV	0.80 (0.15)	0.84 (0.21)	0.88 (0.18)
Knee ROM Gait Cycle (°)	MP	42.8 (10.3)	41.9 (11.4)	45.8 (9.7)	0.811
	MV	43.7 (7.9)	40.4 (10.5)	43.4 (9.6)
Knee ROM in stance (°)	MP	5.1 (3.0)	5.4 (2.9)	5.8 (2.8)	0.983
	MV	6.3 (4.0)	6.5 (3.3)	7.1 (3.2)
Peak extension stance (°)	MP	8.8 (9.2)	8.4 (5.8)	6.3 (7.6)	0.599
	MV	7.0 (6.4)	8.6 (5.2)	3.7 (6.5)
Hip ROM gait cycle	MP	36.9 (8.4)	39.1 (8.1)	40.0 (7.1)	0.670
	MV	35.7 (4.3)	36.3 (8.2)	38.3 (6.5)
Steps per day	MP	5613 (2505)	NM	5786 (1916)	0.126
	MV	6342 (2695)	NM	6822 (2363)