The effect of parenteral selenium on outcomes of mechanically ventilated patients following sepsis: a prospective randomized clinical trial

Annals of Intensive Care

Table 1 Demographic and baseline characteristics of study groups

Characteristics	Selenium (n = 29)	Control (n = 25)	P value
Age	35 (17–82)	41 (19–82)	0.18^a
Male/female^b	24/5	22/3	0.59
APACHE II^b	17 ± 4.3	16.4 ± 4.0	0.71
SOFA^b	8 ± 2.7	8.3 ± 3	0.69
PaO₂/FiO ^b₂	160 ± 89	150 ± 75	0.65
Sepsis, n (%)	7 (24.1)	6 (24)	0.90
Severe sepsis, n (%)	8 (27.6)	7 (28)	0.89
Septic shock, n (%)	14 (48.3)	12 (48)	0.86
Pneumonia, n (%)	18 (63)	19 (76)	0.7
Peritonitis, n (%)	7 (24)	3 (12)	0.20
SSTI infection, n (%)	3 (10)	2 (8)	0.67
CNS infection, n (%)	0 (0)	1 (4)	0.33
CR infection, n (%)	1 (3)	0 (0)	0.32
Gram positive, n (%)	4 (13.7)	1 (4)	0.20
Gram negative, n (%)	8 (27.6)	9 (36)	0.9
No growth, n (%)	17 (58.7)	15 (60)	0.87

APACHE II acute physiological and chronic health evaluation II, SOFA sequential organ failure assessment, SSTI skin and soft tissue, CNS central nervous system, CR catheter line related
^aData given as media (IQR)
^bData given as mean ± SD