Table 3

Correlation between the clinical and functional parameters with the response to the influenza vaccine measured by the ratio of HIA day 28/day 0

	HIA day 28/ day 0
	Age (years)	Total cholesterol (mmol/L	HDL-C (mmol/L)	LDL-C (mmol/L)	Triglyceride (mmol/L)	Glucose (mmol/L)	HgbA1c (%)	White cell count ×10⁹/L	Neutrophils (×10⁹/L)	Waist circumference (cm)	Clinical frailty score	PASE	BMI
Non diabetic
Spearman (r)	0.1687	−0.04112	−0.2634	0.04158	0.2573	0.03118	−0.0096	0.4083	0.1608	0.06532	0.2465	−0.3146	0.1645
95% CI	−0.09676 to 0.4117	−0.3057 to 0.2294	−0.4963–0.004894	−0.2289 to 0.3061	−0.01145 to 0.04914	−0.2437 to 0.3014	−0.3105 to 0.2930	0.1140 to 0.6368	−0.1557 to 0.4473	−0.2165 to 0.3371	−0.01565 to 0.4770	−0.5338 to 0.05589	−0.1010 to 0.4081
p (two-tailed)	0.1977	0.7614	0.0477	0.7588	0.0533	0.8212	0.95	0.0066	0.303	0.6421	0.0576	0.0152	0.2092
Diabetic
Spearman (r)	−0.123	−0.2402	0.1946	−0.2755	−0.174	−0.3127	0.02916	−0.05649	−0.013	−0.3717	0.3352	−0.3466	−0.2627
95% CI	−0.3785 to 0.1499	−0.4835 to 0.03765	−0.0909 to 0.4506	−0.5141 to 0.00263	−0.4311 to 0.1092	−0.5519 to 0.02597	−0.2508 to 0.3046	−0.2644 to 0.3662	−0.3279 to 0.3045	−0.5907 to 0.1017	0.07134 to 0.5553	−0.5641 to 0.08410	−0.4977 to 0.00826
p (two-tailed)	0.3619	0.0802	0.1668	0.0459	0.2127	0.0287	0.8358	0.7257	0.9357	0.0067	0.0115	0.0089	0.0505

p-values in bold represent the only significant p-values.
BMI, body mass index; HgbA1c, glycated hemoglobin; HDL-C, high-density lipoprotein cholesterol; LDL-C, low-density lipoprotein cholesterol; PASE, Physical Activity Scale for the Elderly.