Table 2.

Baseline population characteristics

Characteristics	Frequency, n	Percentage
Men	181	70.2
Women	77	29.8
African American	148	57.6
Non–African American	109	42.4
Severe vitamin D deficiency (≤13 ng/mL)	138	53.5
Moderate vitamin D deficiency (14–26 ng/mL)	96	37.2
Mild vitamin D deficiency (27–39 ng/mL)	18	7.0
Normal vitamin D level (≥40 ng/mL)	3	1.2
Trauma	206	79.8
Intubated	85	32.9
Pneumonia	52	20.2
Comorbidity	44	17.1
Mortality	28	10.9