Table 1:

The mean values in CT, ADC, and DWI after MCA occlusiona

HourrCTrDWIrADCdCTbdADCc
10.94 ± 0.041.40 ± 0.070.62 ± 0.082.00 ± 1.48225.73 ± 52.60
30.87 ± 0.051.60 ± 0.100.55 ± 0.064.09 ± 1.76268.18 ± 43.21
(P < .01)(P < .01)(P = .04)(P = .01)(P = .06)
50.81 ± 0.061.70 ± 0.130.56 ± 0.046.18 ± 2.44262.45 ± 28.54
(P = .03)(P < .01)(P = .93)(P = .04)(P = .71)
70.73 ± 0.071.71 ± 0.230.58 ± 0.068.91 ± 2.51250.55 ± 42.30
(P < .01)(P = .82)(P = .09)(P < .01)(P = .35)
90.71 ± 0.081.77 ± 0.280.57 ± 0.089.09 ± 2.39257.73 ± 73.12
(P = .46)(P = .39)(P = .51)(P = .84)(P = .71)
  • a Data are mean ± SD. The figures in parentheses refer to the P values compared with the value of the previous time point in post hoc analysis of repeated-measure analysis.

  • b dCT is in Hounsfield units.

  • c dADC values are ×10−6 mm2/s.