Gait abnormalities and longitudinal fall risk in older patients with end-stage kidney disease and sarcopenia

BMC Geriatrics

Table 2 Analysis of gait parameters in different sarcopenic risk groups between pre- and post-HD sessions

	Sarcopenia risk (SARC-F)
	High-risk ^a (N = 9)		Low-risk ^a (N = 13)
Time Gait parameters	Pre-dialysis	Post-dialysis	Pre-dialysis	Post-dialysis	Time x Sarcopenia risk Interaction p value
TUG time (sec)	21.0 (18.3–35.3) ^*	19.0 (18.0-24.3) ^†	12.0 (11.0-16.8) ^*	12.5 (10.8–17.8) ^†	< 0.001
Gait speed (m/s)	0.52 (0.44–0.62) ^*	0.60 (0.41–0.72) ^†	0.94 (0.67-1.00) ^*	0.88(0.66–0.99) ^†	0.003
Stride time (sec)	1.38 (1.19–1.51) ^*	1.22 (0.94–1.46)	1.08 (1.06–1.16) ^*	1.20 (1.06–1.31)	0.024
Stride time variability (%)	12.3 (8.7–34.9)	14.0 (11.0-34.1)	14.5 (9.5–25.8)	17.0 (13.5–20.1)	0.496
Stride length (m)	0.76 (0.45–0.81) ^*	0.67 (0.53–0.87) ^†	1.0 (0.83–1.09) ^*	0.99 (0.78–1.13) ^†	0.718
Cadence (steps/min)	95.0 (81.0-118.5)	105.0 (88.0-124.0)	111.0 (99.5–117.0)	104.0 (94.5–114.0)	0.270
Double support (sec)	0.39 (0.33–0.43) ^*	0.34 (0.31–0.48)	0.33 (0.31–0.36) ^*	0.32 (0.30–0.37)	0.830
Double support (%)	29.9 (29.3–30.3)	30.0 (29.4–30.2)	30.2 (29.6–30.3)	29.8 (29.6–30.2)	0.111
Stability (%)	76.8 (72.7–82.4) ^*	78.3 (69.2–84.3)	64.0 (57.0-73.2) ^*	78.7 (66.0-85.7)	0.060
Symmetry (%)	81.5 (68.9–89.8)	83.9 (69.4–90.8)	66.5 (61.7–84.8)	85.0 (77.4–92.2)	0.005

Values for continuous variables given as median (interquartile range)
Abbreviation: TUG, Timed-Up and Go
^a Sarcopenia risk is categorized as high-risk gorup (SARC-F ≥ 4) and low-risk gorup (SARC-F < 4)
*p < 0.05, comparison between high-risk sarcopenia group and low-risk sarcopenia group in pre-dialysis
†p < 0.05, comparison between high-risk sarcopenia group and low-risk sarcopenia group in post-dialysis

ISSN: 1471-2318