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Table 5 Association between air pollution and blood parameters; 57 male patients with coronary heart disease

From: Ultrafine particles and platelet activation in patients with coronary heart disease – results from a prospective panel study

  Erythrocytes [106/μl] Haemoglobin [g/dl]
  %change mean 95% CI $ %change mean 95% CI
UFP §     
    lag0 -0.2 -0.7; 0.2 -0.4 -1.1; 0.2
    lag1 -0.3 -0.8; 0.2 -0.4 -1.1; 0.3
    lag2 0.0 -0.6; 0.5 0.0 -0.8; 0.7
    lag3 -0.6* -1.3; 0.0 -0.3 -1.1; 0.5
    5-day-average -0.5 -1.0; 0.1 -0.4 -1.1; 0.3
AP §     
    lag0 -0.1 -0.5; 0.3 -0.2 -0.7; 0.4
    lag1 -0.4 -0.9; 0.2 -0.3 -1.0; 0.4
    lag2 -0.4 -0.9; 0.2 -0.1 -0.9; 0.7
    lag3 -0.4 -0.6; 0.3 -0.1 -0.8; 0.6
    5-day-average -0.4 -1.0; 0.2 -0.2 -1.1; 0.6
PM 2.5 §     
    lag0 -0.1 -0.5; 0.3 0.0 -0.6; 0.5
    lag1 -0.3 -0.7; 0.2 -0.2 -0.8; 0.3
    lag2 -0.4* -0.8; 0.0 -0.5* -1.1; 0.0
    lag3 -0.2 -0.5; 0.1 -0.2 -0.7; 0.2
    5-day-average -0.4 -0.8; 0.0 -0.5 -1.0; 0.1
PM 10 §     
    lag0 0.0 -0.4; 0.5 -0.1 -0.7; 0.6
    lag1 -0.4 -1.0; 0.1 -0.4 -1.2; 0.3
    lag2 -0.7* -1.2; -0.2 -0.7 -1.3; 0.0
    lag3 -0.4* -0.8; 0.0 -0.3 -0.9; 0.2
    5-day-average -0.6* -1.2; -0.1 -0.7 -1.5; 0.1
  1. *p < 0.05
  2. p < 0.10
  3. § UFP: ultrafine particles (number concentration of particles with a size range of 0.01 to 0.1 μm);
  4. AP: accumulation mode particles (particles with a size range of 0.1 to 1.0 μm); PM2.5: mass concentration of particles less than 2.5 μm in diameter; PM10: mass concentration of particles less than 10 μm in diameter;
  5. $CI: confidence interval