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Table 3 PM10 and NO2 concentrations in the homes of children classified as PTB cases and controls in the study

From: Association of childhood pulmonary tuberculosis with exposure to indoor air pollution: a case control study

n PM10, μg/m3 NO2, μg/m3
cases controls cases controls
107 127 107 127
GM (95% CI) 52 (47–57) 50 (46–54) 16 (15–17) 16 (15–17)
Min 6.6 12 6.0 4.5
25% 37 41 12 12
Median 48 41 15 16
75% 76 64 22 20
Max 173 223 45 55