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Table 2 Mean blood pressure measurements after subchronic exposure to PM2.5 and filtered air (FA)

From: Early kidney damage induced by subchronic exposure to PM2.5 in rats

  FA PM2.5
Basal 109.3 109.6
(103.0–122.3) (106.6–112.0)
Wk-1 112.3 133.2*a
(107.2–116.7) (122.7–144.4)
Wk-2 106.9 109.8
(103.1–115.4) (102.8–116.7)
Wk-3 122.9 129 a=0.06
(119.3–132.7) (113.4–135.7)
Wk-4 116.1 116.9
(106.7–124.5) (109.1–122.9)
Wk-5 109.3 131.7*a
(105.0–111.3) (123.3–136.3)
Wk-6 101.8 108.5
(97.8–106.6) (103.2–127.5)
Wk-7 115.5 113.2
(87.9–131.1) (104.2–121.7)
Wk-8 107.6 128.1*a
(102.8–114.7) (125.2–135.6)
  1. The data are shown as the median followed by the 25-75 quartile interval in parentheses.
  2. *Indicates statistically significant differences between the PM2.5 and the FA groups for each week (Wk) (p<0.05).
  3. aIndicates a statistically significant difference from the basal measurement (FA vs FA, and PM2.5 vs PM2.5).