Table 2.

Demographic and clinical results of the groups.

Parameters	Vitamin D3 group (n = 113)	Control group (n = 62)	Total (n = 175)	P value
Sex
Male	69 (61%)	36 (58%)	105 (60%)	0.699
Female	44 (39%)	26 (42%)	70 (40%)
Age, y, (IQR)	74 (60–81)	75 (62–83)	74 (61–82)	0.431
Age (stratified)
<50	4 (4%)	4 (6%)	8 (4%)	0.378
50–65	41 (36%)	15 (24%)	56 (32%)	0.101
>65	68 (60%)	43 (70%)	111 (63%)	0.228
25 (OH) D, ng/mL, (IQR)	6.65 (5.06–9.1)	7.14 (5.17–8.21)	6.76 (5.07–8.54)	0.512
Corrected calcium, mg/dL, (IQR)	8.1 (7.6–8.6)	8.17 (7.77–8.72)	8.1 (7.66–8.6)	0.269
Phosphor, mg/dL, (IQR)	3.1 (2.3–4.1)	3 (2.4–3.68)	3.1 (2.4–4)	0.398
Magnesium, mg/dL, (IQR)	1.8 (1.6–1.9)	1.9 (1.7–2.1)	1.8 (1.6–2)	0.192
Albumin, g/dL, (IQR)	2.7 (2.31–3.19)	2.73 (2.28–3.36)	2.7 (2.31–3.2)	0.819
Urea, mg/dL, (IQR)	55 (34–86)	46 (31–80)	50 (34–86)	0.241
Creatine, mg/dL, (IQR)	1.1 (0.81–1.45)	1.01 (0.74–1.42)	1.06 (0.81–1.46)	0.177
AST, U/L, (IQR)	29 (20–45)	23 (16–45)	28 (18–45)	0.375
ALT, U/L, (IQR)	22 (15–40)	24 (14–45)	22 (15–43)	0.509
CRP, mg/dl, (IQR)	10.8 (6.1–16.4)	10.6 (5.5–16.25)	10.85 (6.03–16.46)	0.465
D-dimer, ug/L, (IQR)	1175 (750–2880)	1290 (734–3587)	1230 (750–2960)	0.248
Inhospital mortality (to November 30, 2020)	43 (38%)	30 (48%)	73 (41%)	0.185
Lenght of stay, day, (IQR)	9 (6–16)	9 (5–17)	9 (6–16)	0.649
Endotracheal intubated	44 (39%)	31 (50%)	75 (43%)	0.157

Categorical data shown as number (percentage). Non-normally distributed continuous variables displayed as median (IQR). Chi-square test was used to analyze the categorical variables. Mann–Whitney’s test was used for nonparametric continuous variables.

25 (OH) D 25-hydroxy vitamin D, IQR interquartile range, AST aspartate aminotransferase, ALT Ala-nine aminotransferase, CRP C-reactive protein.