Differences in Plasma Cytokine Levels between Elite Kayakers and Nonathletes

Table 1

Peripheral blood leukocyte and plasma cytokine levels in elite kayakers and nonathletes.

	Kayakers; (𝑁=13)	Controls; (𝑁=7)	𝑃
Total Leukocytes (10^9/L)	9.40±1.63	8.41±1.88	0.24
Monocytes (10^9/L)	0.41±0.16	0.66±0.69	0.23
% monocytes	4.61±1.88	7.17±6.63	0.55
Neutrophils (10^9/L)	5.60±1.45	5.31±1.36	0.32
% neutrophils	63.0±6.2	63.1±5.2	0.96
Lymphocytes (10^9/L)	2.33±0.46	2.41±0.69	0.41
% lymphocytes	25.2±5.4	28.7±6.1	0.91
CD3^+ T cells (10^9/L)	1.53±0.47	1.76±0.47	0.22
% CD3^+ T cells	66.2±16.2	74.4±11.7	0.15
CD3^+CD4^+ T cells (10^9/L)	0.86±0.28	0.95±0.28	0.35
% CD3^+CD4^+ T cells	56.3±6.3	53.7±5.9	0.22
CD3^+CD8^+ T cells (10^9/L)	0.54±0.18	0.63±0.21	0.22
% CD3^+CD8^+ T cells (10^9/L)	34.9±5.5	35.5±3.8	0.45
CD3^−CD19^+ B cells (10^9/L)	0.40±0.13	0.35±0.13	0.22
% CD3^−CD19^+ B cells	17.2±4.6	14.4±4.0	0.10
CD3^−CD56^+ NK cells (10^9/L)	0.06±0.03	0.10±0.04	0.02*
% CD3^−CD56^+ NK cells	2.46±0.87	5.28±3.31	0.02*
IL-1𝛽 pg/mL	4.61±2.18	8.74±3.16	0.03*
IL-1ra pg/mL	20.58±7.09	78.67±84.62	0.01*
IL-6 pg/mL	14.18±5.83	11.33±4.28	0.19
IL-10 pg/mL	16.53±14.90	9.05±3.52	0.20
IL-18 pg/mL	354.13±83.70	1758.86±1794.27	<0.01*
IFN-𝛾 pg/mL	6.74±5.06	13.86±3.68	0.01*
TNF-𝛼 pg/mL	31.38±33.41	35.54±13.36	0.11

Values are expressed in mean and standard deviation. ∗P < 0.05.