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Table 2 CEC, V-CEC, CEP trends within and among the chemotherapy courses

From: Dynamics of circulating endothelial cells and endothelial progenitor cells in breast cancer patients receiving cytotoxic chemotherapy

Trends within chemotherapy course
Outcome measurement Time point Coefficient (cells/μL) 95% CI p value
CEC start of CT reference   
  1st wk of CT −2.924 (-4.93,−0.92) < 0.01
  after 1st wk of CT −0.909 (-2.80,0.98) 0.35
  before 1st CT −5.848 (-9.83,−1.86) < 0.01
V-CEC start of CT reference   
  1st wk of CT −2.289 (-3.86,−0.72) < 0.01
  after 1st wk of CT −0.996 (-2.56,0.57) 0.21
  before 1st CT −4.014 (-7.29,−0.73) 0.02
CEP start of CT reference   
  1st wk of CT −0.366 (-0.58,−0.15) < 0.01
  after 1st wk of CT −0.295 (-0.47,−0.12) < 0.01
Trends among courses of chemotherapy
Measurement Terms Coefficient (cells/μL) 95% CI p value
CEC Linear −0.609 (-1.12,-0.10) 0.02
V-CEC Linear −0.288 (-0.72,0.15) 0.19
CEP Linear 0.194 (0.03,0.36) 0.02
  Quadratic −0.03 (-0.06,0.01) 0.02