Neutrophil apoptosis: a marker of disease severity in sepsis and sepsis-induced acute respiratory distress syndrome

Table 1 Characteristics of the study population according to group allocation

Variables	Uncomplicated sepsis (n = 16)	Septic shock (n = 23)	Sepsis-induced ARDS (n = 18)	Mechanical ventilation (n = 20)	Controls (n = 44)	P value^a
Age (years, mean ± SEM)	57 ± 3.3	57 ± 4.5	46 ± 4.4	54 ± 3.5	43 ± 1.8	0.002
Male/Female (percentage)	62.5/37.5	52.2/47.8	50/50	55/45	50/50	0.93
Medical/Surgical (percentage)	50/50	52.2/47.8	50/50	55/45	75/25	-

^aAnalysis of variance or χ² test. ARDS, acute respiratory distress syndrome; SEM, standard error of the mean.

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