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Table 4 Associations between PM 2.5 mass, EC and OC and cardiac responses

From: PM2.5-induced cardiovascular dysregulation in rats is associated with elemental carbon and temperature-resolved carbon subfractions

Response Study Component Change per IQR SEM p-value Change per 1 μg/m3 CI (lower, upper)
Heart rate 1 PM2.5 2.757 1.502 0.068 --
   EC 7.059 0.885 <.0001 28.1, 36.1
   OC -1.845 1.431 0.199 --
  2 PM2.5 1.343 1.635 0.412 --
   EC 8.354 1.454 <.0001 19.7, 28.1
   OC 0.879 1.107 0.428 --
  3 PM2.5 0.719 1.344 0.593 --
   EC 3.649 0.974 0.000 8.1, 14.1
   OC -5.489 1.543 0.000 -2.4
  4 PM2.5 1.086 1.375 0.431 --
   EC 5.985 1.350 <.0001 20.1, 31.9
   OC 1.916 1.266 0.131 --
lnSDNN 1 PM2.5 0.094 0.026 0.000 0.0615, 0.0619
   EC -0.031 0.018 0.086 --
   OC 0.001 0.026 0.955 --
  2 PM2.5 0.016 0.034 0.639 --
   EC -0.061 0.031 0.053 --
   OC -0.009 0.023 0.693 --
  3 PM2.5 0.024 0.029 0.415 --
   EC 0.006 0.020 0.774 --
   OC -0.038 0.032 0.240 --
  4 PM2.5 0.022 0.027 0.406 --
   EC -0.051 0.024 0.039 -0.2202, -0.2198
   OC 0.016 0.022 0.474 --
lnRMSSD 1 PM2.5 0.001 0.017 0.942 --
   EC -0.048 0.011 <.0001 -0.267, -0.167
   OC -0.011 0.016 0.494 --
  2 PM2.5 0.019 0.016 0.236 --
   EC -0.023 0.015 0.127 --
   OC 0.007 0.011 0.541 --
  3 PM2.5 -0.009 0.016 0.603 --
   EC -0.002 0.011 0.834 --
   OC 0.008 0.017 0.646 --
  4 PM2.5 -0.008 0.018 0.659 --
   EC -0.039 0.017 0.022 -0.244, -0.096
   OC 0.020 0.015 0.193 --
  1. Data are expressed as change in heart rate (bpm), lnSDNN (msec) and lnRMSSD (msec), per IQR of pollutant, and per change in 1 μg/m3 of pollutant.