Fig. 2 (abstract P359).
From: 39th International Symposium on Intensive Care and Emergency Medicine
The distribution of the total particle count (A) and according to the mean diameter of particles (B) during two-hour measurement. The line inside the box represents the median value. The means of the particle’s diameter in groups 1-8 are: 0.48 μm, 0.59 μm, 0.75 μm, 0.98 μm, 1.22 μm, 1.67 μm, 2.52 μm, and 3.37 μm. ** indicates p < 0.01. Error bars represent confidence intervals