Table 2 Mean and standard deviations of PM_2.5 concentrations (μg/m³) in year prior to birth for young children with cystic fibrosis from 2003 to 2009, overall and by methicillin susceptible Staphylococcus aureus, methicillin resistant Staphylococcus aureus, Stenotrophomonas maltophilia, and Achromobacter xylosoxidans acquisition status

12.04 (2.75)

12.20 (2.77)

11.77 (2.71)

12.06 (2.79)

12.55 (2.62)

11.95 (2.81)

12.06 (2.78)

12.46 (2.67)

11.94 (2.81)

12.06 (2.78)

12.65 (2.48)

12.03 (2.79)

12.27 (2.58)

12.45 (2.60)

11.99 (2.52)

12.27 (2.60)

12.83 (2.39)

12.15 (2.63)

12.27 (2.60)

12.65 (2.48)

12.16 (2.63)

12.28 (2.60)

12.86 (2.30)

12.25 (2.61)

12.29 (2.66)

12.46 (2.68)

12.01 (2.59)

12.31 (2.68)

12.85 (2.50)

12.21 (2.70)

12.31 (2.68)

12.69 (2.55)

12.19 (2.71)

12.32 (2.67)

12.95 (2.40)

12.29 (2.40)

12.26 (2.76)

12.40 (2.79)

12.04 (2.69)

12.31 (2.81)

12.96 (2.73)

12.19 (2.80)

12.30 (2.80)

12.64 (2.71)

12.20 (2.82)

12.32 (2.80)

13.08 (2.50)

12.29 (2.81)