Table 2.

Patient’s characteristics based on vitamin D serum level

	Vit. D ≥ 30 ng/mL Group 1	30 > Vit. D ≥ 20 ng/mL (insufficiency) Group 2	20 > Vit. D ≥ 10 ng/mL (moderate deficiency) Group 3	Vit. D < 10 ng/mL (severe deficiency) Group 4
Patients (n, %)	8 (19)	11 (26)	13 (31)	10 (24)
Sex (M/F)	3/5	7/4	12/1	8/2
Age (years, mean, SD)	64 ± 18	64 ± 13	60 ± 6.9	74 ± 11
BMI (mean, SD)	27 ± 4	28 ± 4.10	31 ± 6.02	29 ± 4.75
SOFA score (mean, SD)	2 ± 0.74	3 ± 1.81	2 ± 1.51	3 ± 1.06
Smoking habit
Smokers	0	0	2	0
Ex-smokers	3	4	5	6
Never smokers	5	7	6	4
Patients with comorbidity	6	11	9	10
Patients without comorbidity	2	0	4	0
Comorbidity
Hypertension	5	8	5	8
Cardiovascular disease	2	6	4	4
Chronic kidney disease	2	6	4	4
Diabetes type II	2	4	3	2
Cerebrovascular disease	0	4	0	1
Psycosis, depression, anxiety	1	4	2	3
Malignancy	1	1	2	1
COPD	1	2	0	2
Asthma	2	0	0	0

BMI body mass index, SOFA sequential organ failure assessment, COPD chronic obstructive pulmonary disease, Vit vitamin