Sarcopenia as a predictor of hospitalization among older people: a systematic review and meta-analysis

BMC Geriatrics

Table 4 Subgroup analyses of the meta-analysis

Subgroup	Effect model	Number of studies	Mean difference (95% CI)	P for Heterogeneity	I-squared Value	P Value for effect	P Value Between Groups
Type of participent	Random effect
hospitalized patients		2	2.01[1.41, 2.88]	0.40	0%	0.0001
community-dwelling individuals		2	1.40[1.05, 1.88]	0.48	0%	0.02
nursing homes residents		1	1.27 [0.73,2.21]			0.40	P = 0.23
Follow-up	Random effect
> = 3 years		3	1.52[1.19, 1.94]	0.496	0%	0.0007
< 3 years		2	1.76[0.90, 3.44]	0.111	60.7%	0.10	P = 0.69
Outcome	Random effect
hospitalization		3	1.37[1.06, 1.78]	0.74	0%	0.02
re-hospitalization		2	2.01[1.41, 2.88]	0.40	0%	0.0001	P = 0.09
NOS score	Random effect
≥7		3	1.52[1.19, 1.94]	0.496	0%	0.0007
<7		2	1.76[0.90, 3.44]	0.111	60.7%	0.10	P = 0.69

ISSN: 1471-2318