The effects of preoperative supplementation with a combination of beta‐hydroxy‐beta‐methylbutyrate, arginine, and glutamine on inflammatory and hematological markers of patients with heart surgery: a randomized controlled trial

Table 1 General characteristics of the participants according to the supplement or placebo groups

Variable	Heallagen (n = 30)	Placebo (n = 30)	P^a
Age (years)	52.73 ± 15.59	53.53 ± 13.26	0.706*
Height (cm)	169.23 ± 9.69	168.47 ± 8.40	0.319
Weight (kg)	71.63 ± 8.95	73.87 ± 8.23	0.772*
Body mass index (kg/m²)	25.25 ± 4.34	26.30 ± 4.61	0.364
Gender
Male	21 (70.0)	15 (50.0)	0.114
Female	9 (30.0)	15 (50.0)
Hypertension history
Yes	0 (0.0)	3 (10.0)	0.236
No	30 (100.0)	27 (90.0)

Data are presented as mean ± SD for quantitative variables and frequency (%) for qualitative variables
^aCalculated using independent sample t-test or Mann–Whitney U-test (indicated by *) for quantitative variables and Chi-square for qualitative variables

ISSN: 1471-2482