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Table 1 Demographic factors, baseline information, and clinical outcomes in surgical intensive care unit patients according to vitamin D status at initiation of care (n = 300)

From: Admission vitamin D status is associated with discharge destination in critically ill surgical patients

Characteristic 25(OH)D <20 ng/mL
(n = 186)
25(OH) ≥20 ng/mL
(n = 114)
P value
Age (years) 64 (SD 16) 69 (SD 15) < 0.01
Sex (%)    0.67
 Female 41 44  
 Male 59 56  
Race (%)    0.14
 Non-white 12 6  
 White 88 94  
BMI (kg/m2) 29 (SD 8) 28 (SD 6) 0.22
SES    0.09
 Low 26 25  
 Moderate 39 41  
 High 36 33  
Patient type (%)    0.21
 Emergent 16 10  
 Non-emergent 84 90  
APACHE II 17 (SD 9) 15 (SD 7) 0.03
Hospital LOS (days) 9 (IQR 6–15) 9 (IQR 6–12) 0.32
Vitamin D supplementation (%)    < 0.01
 <1000 IU/day 88 72  
 ≥1000 to <4000 IU/day 12 28  
25OHD (ng/mL) 14 (SD 4) 27 (SD 7) < 0.001
In-hospital mortality (%)    0.03
 Alive 80 91  
 Deceased 20 9  
Discharge destination (%)    < 0.01
 Non-home 48 29  
 Home 52 71  
  1. BMI body mass index, SES socioeconomic status, APACHE II acute physiology and chronic health evaluation II, LOS length of stay, 25OHD 25-hydroxyvitamin D
  2. Data presented as either mean with standard deviation (SD), median with interquartile range (IQR), or proportions and compared using t tests, Mann–Whitney tests, and Chi-squared tests, respectively. Significant P values (<0.05) are shown in italic. To convert ng/mL to nmol/L, please multiply by 2.496