Critical Care Research and Practice

Clinical Study

Is Vitamin D Insufficiency Associated with Mortality of Critically Ill Patients?

Table 1

Some baseline characteristics of study patients.
VariableStudy patients ( )
Age (years)66 [56–77]
Male gender113 (56%)
Length of hospital stay prior to ICU admission (days) 4 [2–11]
Length of ICU stay (days)9 [5–14]
On admission 
 APACHE II score 23 [17–28]
 Glasgow coma scale 14 [11–15]
  SOFA score 7 [5–10]
 Hemoglobin (g/dL) 10 [8.8–12]
 Leukocytes (/mm3) 11800 [7200–17100]
 Thrombocytes (/mm3) 149000 [90000–239000]
 C-reactive protein (mg/L) 103 [36.8–180]
 Procalsitonin (ng/mL)1.9 [0.4–8.3]
 Calcium level (mg/dL) 7.9 [7.2–8.6]
 Calcium level, ionized (mmol/L) 1.15 [1.04–1.25]
 Albumin level (g/dL) 2.7 [2.2–3.1]
 Creatinine level (mg/dL) 1.6 [0.8–3.2]
 Phosphorus level (mg/dL) 3.2 [2.2–4.6]
 Oxygenation index (PaO2/FiO2)188 [130–272]
 25-hydroxyvitamin D (25(OH)D) level (ng/mL)14.9 [7.5–26.4]
Development of nosocomial infection in ICU71 (35%)
ICU mortality76 (38%)
Values are presented as median [interquartile range] or (%); APACHE: acute physiology and chronic health evaluation, SOFA: sequential organ failure assessment, and ICU: intensive care unit.