A comparison of statistical significance in the middle of groups.

<p>n.s not significant</p><p>Heparinized blood was diluted 1:5 with cell culture medium and incubated for 24 h at 37°C, 5% CO<sub>2</sub> with LPS (100 ng/ml) and two concentrations of AKG. Next cells were centrifuged (300xg, 5 min) and cytokine level was measured as described in Material and Methods.</p><p>A comparison of statistical significance in the middle of groups.</p>