Table 1. Cytokine panel and CRP between ICU, non-ICU patients and healthy volunteers.

Analyte	ICU patients	Non-ICU patients	Healthy Volunteers	P value
	(n = 46)	(n = 30)	(n = 24)
IL-1β (ng/L)	0.35 (0.32–0.66)	0.32 (0.32–0.32)	0.11 (0.05–0.21)	<0.0001
IL-6 (ng/L)	36.50 (16.07–127.50)	17.45 (7.90–51.60)	0.99 (0.62–1.42)	<0.0001
IL-8 (ng/L)	72.20 (49.47–115.50)	40.60 (29.00–60.50)	10.55 (7.58–15.67)	<0.0001
TNFα (ng/L)	25.00 (18.08–35.75)	16.35 (14.10–19.80)	9.83 (8.40–11.27)	<0.0001
CRP (mg/L)	92.5 (54.9–137.3)	105.0 (68.2–146.2)	1.00 (1.00–1.7)	<0.0001

Data is presented as median (IQR).

Abbreviations: IL-1β, interleukin-1β; IL-6, interleukin-6; IL-8, interleukin-8; TNFα, tumour necrosis factor alpha; CRP, C-reactive protein.