Environmental Health and Preventive Medicine

Table 2 Pearson’s correlation coefficients (normal font) and partial correlation coefficients (italics) for baseline Barthel Index (BI), handgrip strength (HS), and serum albumin, and their respective 2-year changes (Δ)

From: Determination of whether the association between serum albumin and activities of daily living in frail elderly people is causal

	Baseline BI	Baseline HS	Baseline albumin	ΔBI	ΔHS	ΔAlbumin
Baseline BI	–	0.054	0.287^†	−0.074	−0.048	−0.044
Baseline HS	0.214 ^†	–	0.315^†	0.153	−0.460^†	0.047
Baseline albumin	0.292 ^†	0.401 ^†	–	0.096	−0.058	−0.263^†
ΔBI	−0.168	0.102	0.023	–	0.228^†	0.296^†
ΔHS	0.006	−0.545 ^†	−0.059	0.217 ^†	–	0.182
ΔAlbumin	−0.177	−0.139	−0.360 ^†	0.226 ^†	0.185	–

Partial correlation coefficients (italics) are adjusted for sex, age, baseline BMI, and comorbidities of stroke, heart disease, diabetes, hypertension, and respiratory disease
^† P < 0.05

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ISSN: 1347-4715

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