A Retrospective Single-Center Study of 23 Patients to Compare Gait Before and After Total Hip Arthroplasty Using the S-ROM Modular Hip System

27 December 2021: Clinical Research

Jaqueline Bahr ^1BCDEF , Dietmar Rosental ^2C , Tim Classen ^3E , Sonja Krebs ^4E , Marcus Jäger ^1AG*

DOI: 10.12659/MSM.934558

Med Sci Monit 2021; 27:e934558

Table 1 Spatiotemporal gait parameters.

	PreOP (n=23)	PostOP (n=23)	Control (n=39)	Opposite side preOP (n=23)	Opposite side postOP (n=23)	p1	p3	p4	p5	p6	p8
Stance phase (% GC)	60.67 (3.87)	61.34 (2.03)	59.70 (1.03)	63.97 (3.04)	62.29 (3.78)	0.409	0.153		0.181		0.018
One-legged stance phase (% GC)	35.95 (3.14)	37.70 (3.32)	40.27 (1.23)	38.91 (4.02)	38.86 (2.09)				0.114	0.332	0.715
Loading response phase (% GC)	12.2 (3.18)	11.50 (1.78)	9.69 (1.16)	12.80 (3.66)	12.10 (3.32)		0.362	0.784	0.648		0.224
Relative step length (meter)	0.33 (0.04)	0.34 (0.05)	0.39 (0.02)	0.32 (0.05)	0.35 (0.04)		0.089	0.260	0.412
PreOP – postoperative; PostOP – preoperative; GC – gait cycle. p-value preoperative in comparison with healthy control group (Mann-Whitney-U Test); : p-value for the test postoperative in comparison with control group (Mann-Whitney-U Test); p-value for test preoperative in comparison with postoperative (Wilcoxon Test); p-value for test preoperative in comparison with opposite side (Mann-Whitney-U Test); p-value test postoperative in comparison with opposite side (Mann-Whitney-U Test); p-value for test opposite side preoperative in comparison with control group (Mann-Whitney-U Test); p-value for test opposite side postoperative in comparison with control group (Mann-Whitney-U Test); p-value for test opposite side preoperative in comparison with opposite side postoperative (Wilcoxon Test).