Table 1 Baseline characteristics of the study population
Characteristic | Group 1 (antioxidant vitamin intake 66–100% of RDA; n = 10) | Group 2 (antioxidant vitamin intake <66% of RDA; n = 30) | P |
|---|---|---|---|
Age (years; mean ± SD) | 64 ± 14 | 53 ± 15 | NS |
Gender (male/female; n [%]) | 7 (18)/3 (7) | 23 (58)/7 (17) | NS |
Medical/surgical (n) | 6/4 | 13/17 | NS |
Diagnosis (%) | NS | ||
Respiratory | |||
ARDS | 3 | 8 | |
Pneumonia | 1 | 3 | |
Cardiovascular | |||
Postsurgical | 0 | 4 | |
IHD | 2 | 7 | |
Abdominal/hepatic disease | |||
Peritonitis | 3 | 6 | |
Pancreatitis | 1 | 2 | |
APACHE II score | 13 ± 6.6 | 15 ± 4.1 | NS |
Admission SOFA score (mean ± SD) | 6.6 ± 2.8 | 5.9 ± 2.5 | NS |
Bilirubin (mg/l) | 1.6 ± 2.6 | 3.8 ± 2.5 | NS |
Uric acid (mg/l) | 4.5 ± 2.6 | 3.7 ± 3.6 | NS |
Total proteins | 5.0 ± 0.7 | 5.1 ± 0.740 | NS |