TABLE 3.

Pearson correlation coefficients assessing significant correlations between age, BMI (in kg/m²), and measures of VA¹

	Age, y	BMI	Total liver VA reserves, µmol/g	Liver α-retinol, nmol/g	Serum retinol, µmol/L	Serum REs, nmol/L	Total serum VA as REs, %	CRP, mg/L
BMI	−0.232
Total liver VA reserves, µmol/g	0.280	−0.183
Liver α-retinol, nmol/g	0.386*2	−0.080	0.740***
Serum retinol, µmol/L	0.086	0.043	−0.012	0.105
Serum REs, nmol/L	0.136	−0.163	0.497**	0.285	0.350
Total serum VA as REs, %	0.109	−0.238	0.657***	0.247	−0.233	0.595**
CRP,3 mg/L	0.144	−0.214	0.047	0.057	−0.579**	−0.258	0.064
AGP,3 g/L	0.032	−0.089	−0.080	−0.137	−0.132	0.064	−0.036	0.453*

¹ n = 27. ***P < 0.001, **P < 0.01, *P < 0.05. AGP, α₁-acid-glycoprotein; CRP, C-reactive protein; RE, retinyl ester; VA, vitamin A.

²Influential outlier (age 94 y, liver α-retinol of 73 nmol/g), which, when removed, nullifies the significance (r = 0.17, P = 0.42).

³ n = 25.