End-stage knee osteoarthritis with and without sarcopenia and the effect of knee arthroplasty – a prospective cohort study

Ho, Kevin Ki-Wai; Lau, Lawrence Chun-Man; Chau, Wai-Wang; Poon, Queena; Chung, Kwong-Yin; Wong, Ronald Man-Yeung

doi:10.1186/s12877-020-01929-6

Table 3 Longitudinal comparisons of Appendage Lean Mass Index and Lean Mass Index in patients with and without sarcopenia

From: End-stage knee osteoarthritis with and without sarcopenia and the effect of knee arthroplasty – a prospective cohort study

Sarcopenia	Sex	Age	BMI	DXA variables	Time points			P value^b
Sarcopenia	Sex	Age	BMI	DXA variables	Baseline	6 months	12 months	P value^b
Yes	Male	≤75	Normal	ALMI	6.34 ± 0.35	6.56 ± 0.29	6.37 ± 0.34	0.44
			Overweight or obese	ALMI	6.03 ± 1.46	6.51 ± 1.67	6.79 ± 0.21	0.40
		> 75	Normal	ALMI	5.07 ± 0.09	5.38 ± 0.11	5.28 ± 0.15	0.42
			Overweight or obese	ALMI	5.35 ± 0.47	5.23 ± 0.17	5.21 ± 0.14	0.48
		≤75	Normal	LMI	14.45 ± 0.64	14.60 ± 0.35	14.65 ± 0.07	0.45
			Overweight or obese	LMI	14.50 ± 2.52	14.90 ± 1.58	15.50 ± 0.57	0.44
		> 75	Normal	LMI	12.22 ± 1.19	12.34 ± 1.69	12.54 ± 0.68	0.46
			Overweight or obese	LMI	13.39 ± 0.87	14.09 ± 0.62	13.76 ± 0.95	0.45
	Female	≤75	Normal	ALMI	5.17 ± 0.17	5.28 ± 0.52	5.30 ± 0.15	0.31
			Overweight or obese	ALMI	4.89 ± 0.15	4.96 ± 0.15	5.10 ± 0.38	0.04^a
		> 75	Normal	ALMI	5.05 ± 0.07	5.12 ± 0.10	5.18 ± 0.10	0.34
			Overweight or obese	ALMI	4.47 ± 0.43	4.60 ± 0.41	4.79 ± 0.52	0.05^a
		≤75	Normal	LMI	13.50 ± 0.28	13.90 ± 0.42	14.10 ± 0.28	0.34
			Overweight or obese	LMI	12.30 ± 1.01	12.45 ± 1.35	12.86 ± 0.21	0.04^a
		> 75	Normal	LMI	13.30 ± 0.27	13.70 ± 0.26	13.90 ± 0.72	0.36
			Overweight or obese	LMI	11.78 ± 0.77	11.86 ± 1.13	12.26 ± 0.88	0.04^a
No	Male	≤75	Normal	ALMI	6.44 ± 0.57	6.21 ± 0.22	6.54 ± 0.43	0.39
			Overweight or obese	ALMI	7.69 ± 0.55	8.04 ± 0.64	7.95 ± 0.86	0.39
		> 75	Normal	ALMI	7.37 ± 0.37	7.54 ± 0.69	7.46 ± 0.12	0.38
			Overweight or obese	ALMI	7.89 ± 0.50	8.21 ± 0.66	7.94 ± 0.74	0.42
		≤75	Normal	LMI	14.70 ± 1.44	14.25 ± 0.49	14.70 ± 0.85	0.45
			Overweight or obese	LMI	17.80 ± 1.29	18.83 ± 1.05	18.45 ± 1.93	0.33
		> 75	Normal	LMI	16.40 ± 1.59	16.90 ± 0.38	16.65 ± 0.35	0.31
			Overweight or obese	LMI	17.98 ± 1.41	18.54 ± 1.02	18.39 ± 1.84	0.34
	Female	≤75	Normal	ALMI	4.85 ± 0.25	4.74 ± 0.23	4.72 ± 0.22	0.41
			Overweight or obese	ALMI	6.05 ± 0.53	5.92 ± 0.66	6.06 ± 0.56	0.36
		> 75	Normal	ALMI	4.59 ± 0.05	4.28 ± 0.14	4.44 ± 0.22	0.49
			Overweight or obese	ALMI	5.90 ± 0.34	5.95 ± 0.57	6.27 ± 0.53	0.27
		≤75	Normal	LMI	12.17 ± 0.51	12.00 ± 0.28	12.25 ± 0.49	0.43
			Overweight or obese	LMI	14.90 ± 1.10	14.88 ± 1.38	15.11 ± 1.30	0.40
		> 75	Normal	LMI	12.00 ± 1.34	11.40 ± 1.36	11.70 ± 0.42	0.48
			Overweight or obese	LMI	14.80 ± 1.70	14.15 ± 0.92	15.25 ± 0.99	0.34

ALMI appendage lean mass index, Appendage lean mass/Height², LMI lean mass index: Total lean mass/Height²
^a Statistical significance using ANOVA
^b post-hoc Bonferroni log-rank test

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