Fig. 4
Contour plots showing the adjusted effect of PM2.5 (a), SO2 (b) and O3 (c) on the RR of VAP on different lag days. Notes: RR: relative risk; VAP: ventilator-associated pneumonia
Fig. 4 | Environmental Health
Contour plots showing the adjusted effect of PM2.5 (a), SO2 (b) and O3 (c) on the RR of VAP on different lag days. Notes: RR: relative risk; VAP: ventilator-associated pneumonia
Environmental Health