Effects of Monthly Intramuscular High-Dose Vitamin D2 on Serum 25-Hydroxyvitamin D and Immune Parameters in Very Elderly Chinese Patients with Vitamin D Deficiency

Table 1

Baseline demographic and clinical characteristics of participants.

Parameters	Recruited	Completed
Number of participants	30	26
Man/women, n	25/5	22/4
Mean age ± SD (range), years	89.60 ± 2.92 (84–95)	89.35 ± 2.86 (84–95)
BMI, kg/m^2	23.18 ± 3.17	22.21 ± 3.23
25(OH)D, ng/mL	10.39 ± 2.72 (1.24–14.32)	10.42 ± 2.79 (1.24–17.20)
25(OH)D2, ng/mL	0.65 ± 1.41 (0.02–6.13)	0.69 ± 1.51 (0.02–6.13)
25(OH)D3, ng/mL	9.82 ± 2.69 (1.22–14.30)	9.82 ± 2.75 (1.22–14.30)
Comorbidities, n	—	—
Hypertension	28	24
Type 2 diabetes mellitus	9	8
Chronic gastritis	9	8
Chronic obstructive pulmonary disease	12	10