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. 2015 Jul 16;5(7):e007530. doi: 10.1136/bmjopen-2014-007530

Table 3.

PM2.5 measurements in the three Detroit casinos

Statistics Prelaw (μg/m3) Postlaw (μg/m3) p Value
Minimum 6.6 23.1
Maximum 193 281
Mean 92 85.7 0.52
Median 94.2 85.7
SD (25.8) (6.19)
Geometric Mean 92.6 85.6