Table 4. Analysis of cytokine concentration.

Cytokine	Time of blood collection	No PPS Median [pg/ml] (Q1–Q3)	PPS Median [pg/ml] (Q1–Q3)	P value
IL-8	Before surgery	32.27 (17.62–57.45)	17.2 (10.77–34.8)	0.026
	After surgery	59 (46.54–75.23)	45.99 (33.4–90.3)	0.63
IL-1β	Before surgery	15.3 (0–19.3)	0 (0–15.9)	0.056
	After surgery	7.66 (0–19.3)	2.2 (0–21.15)	0.8
IL-6	Before surgery	12.93 (6.45–26.2)	8.86 (3.88–18.89)	0.24
	After surgery	38.4 (31.85–50.5)	41.06 (30.92–79.1)	0.42
IL-10	Before surgery	17.92 (1.51–28.4)	1.61 (1.05–19.6)	0.07
	After surgery	9.87 (1.63–32.75)	3.6 (1.51–31)	0.59
TNF	Before surgery	16.57 (0–28.8)	0 (0–23.5)	0.077
	After surgery	14.46 (0–37.68)	1.43 (0–33.05)	0.67
IL-12p70	Before surgery	17.36 (0–32.6)	0 (0–25.2)	0.12
	After surgery	13.19 (0–34.03)	1.89 (0–30.7)	0.55

PPS-patients with the postpericardiotomy syndrome, No PPS- patients without the postpericardiotomy syndrome.