Table 2

Patient characteristics

Study 1
 Study 2
 Study 1 versus Study 2

(n = 20)
 (n = 21)

Supplemented group
 Placebo group
 Total
 Supplemented group
 Placebo group
 Total
 P valuea

(n = 10)
 (n = 10)
 (n = 20)
 (n = 11)
 (n = 10)
 (n = 21)
Age (years)
 39.4 ± 15.8
 42.6 ± 13.9
 41.0 ± 14.6
 46.3 ± 15.2
 38.4 ± 16.2
 42.5 ± 15.8
 0.75
Burned BSA percentage
 51.5 ± 22.5
 44.9 ± 9.7
 48.2 ± 17.2.
 44.9 ± 22.3
 44.3 ± 20.2
 44.6 ± 20.8
 0.55
Inhalation injury
 2 (20%)
 5 (50%)
 7 (35%)
 5 (46%)
 4 (40%)
 9 (43%)
 0.75
SAPS II score
 29.0 ± 6.4
 27.2 ± 10.0
 28.1 ± 8.3
 34.3 ± 8.2
 32.4 ± 9.3
 33.4 ± 8.6
 0.052
Ryan score
 0.9 ± 0.8
 1.0 ± 0.8
 1.0 ± 0.8
 1.1 ± 1.0
 0.9 ± 0.7
 1.0 ± 0.9
 0.85
Patients on mechanical ventilation for >24 hours
 8 (80%)
 8 (80%)
 16 (80%)
 10 (90%)
 9 (90%)
 19 (90%)
 0.34

aStudies compared by independent t test for continuous data and Fisher exact test for categorical data. BSA, body surface area; SAPS II, Simplified Acute Physiology Score.

Berger et al. Critical Care 2006 10:R153   doi:10.1186/cc5084