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Table 2 Summary statistics for annual PM2.5, warm-season O3, and annual NO2 concentrations, 2000–2016

From: Emulating causal dose-response relations between air pollutants and mortality in the Medicare population

Statistics PM2.5 (μg·m−3) O3 (ppb) NO2 (ppb)
Mean ± SD 9.85 ± 3.17 39.34 ± 4.03 17.30 ± 9.66
Decile
 10% 5.80 38.07 7.10
 20% 7.28 40.97 9.09
 30% 8.23 42.61 10.90
 40% 9.00 43.86 12.83
 50% 9.75 45.02 14.99
 60% 10.53 46.38 17.55
 70% 11.41 47.96 20.70
 80% 12.46 49.93 24.93
 90% 13.95 52.37 31.07