Figure 3From: Mobile-phone-based home exercise training program decreases systemic inflammation in COPD: a pilot study Plasma levels of interleukin (IL)-8 were measured at baseline, 1, 2, 3 and 6 months in the mobile phone group (n = 12) and the control group (n = 14). *P < 0.05, **P < 0.01 compared to the baseline level of the mobile phone. #P < 0.01 compared to the control group at the same time point.Back to article page