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Table 4 Percent changes (95% confidence interval) in outcome levels, according to exposure scenario comparing active to sham filtration estimated by mixed-effects models adjusted for BMI, age and gender

From: An indoor air filtration study in homes of elderly: cardiovascular and respiratory effects of exposure to particulate matter

Biomarkers Day 2 Day 7 Day 14 Overall (all days)
MVF −1.4 (−9.1, 7.0) −5.2 (−12.5, 2.7) 2.8 (−5.6, 12.0) −1.4 (−5.8, 3.2)
C-reactive protein 3.7 (−15.3, 26.9) −11.3 (−29.1,10.9) −3.6 (−24.9, 23.8) −4.5 (−15.5, 7.9)
Hemoglobin −2.2 (−5.7, 1.4) −2.1 (−5.5, 1.3) −5.2 (−14.7, 5.3) −3.2 (−6.9, 0.7)
Leukocytes −0.7 (−6.6, 5.6) −0.7 (−6.0, 5.0) 2.4 (−3.1, 8.3) 0.2 (−3.1, 3.6)
Lymphocytes 3 (−3.7, 10.1) −0.6 (−7.5, 6.9) 3.4 (−5.1, 12.6) 1.7 (−2.4, 6.1)
Monocytes −0.4 (−5.8, 6.1) −1.5 (−7.1, 4.3) 2.2 (−4.5, 9.4) 0.05 (−3.3, 3.5)
Granulocytes −3.8 (−12.4, 5.6) 0.5 (−7.9, 9.7) 2.4 (−5.9, 11.6) −0.4 (−5.3, 4.7)
CD31 −0.01 (−1.4, 1.4) −3.7 (−9.1, 2.1) 1.3 (−1.7, 4.4) −0.8 (−3.1, 1.5)
CD62L −4.4*(−8.4, -0.2) −2.9 (−10.7, 5.6) 6.1 (−0.3, 12.9) −0.4 (−4.2, 3.7)
CD11b 10.4 (−9.1, 34.3) −6.2 (−19.3, 9.0) −11.4 (−26.2, 6.4) −3.1 (−12.5, 7.4)
CD49d 1.3 (−11.8, 16.4) −2.2 (−9.1, 5.3) −2.9 (−11.5, 6.5) −1.3 (−6.9, 4.7)
FEV1/FVC 0.16 (−12.1, 14.1) 5.1 (−5.4, 16.8) −2.2 (−9.2, 5.4) 0.8 (−5.1, 7.1)
CC16 −0.4 (−10.1, 10.3) −1 (−13.4, 13.3) 0.2 (−8.8, 10.2) −0.3 (−6.4, 6.1)
SPD −0.2 (−7.3, 7.4) −2 (−8.1, 4.5) 5.1 (−1.7, 12.5) 0.9 (−2.8, 4.7)
  1. MVF, microvascular function; CD, cluster of differentiation; FEV1, Forced expiratory volume 1 s (L); FVC, Forced vital capacity (L); CC16, Clara cell pneumoprotein 16; SPD, surface protein D. *p<0.05.