Influence of the Arrangement of Surgical Light Axes on the Air Environment in Operating Rooms

Figure 4

Cleanliness assessment results. The reduction process of the number of artificially generated dust particles (≥0.5 µm) per cubic foot after air-conditioner activation measured every minute at 8 points are shown. In the comparison between the rooms at corresponding measurement points, and indicate significant difference (, ; , ). (a) Single-axis room. (b) Double-axis room.