Skip to main content
. 2023 Jul 4;10:1084426. doi: 10.3389/fcvm.2023.1084426

Table 3.

Changes in processed electroencephalography-derived parameters during cooling and rewarming.

Change per 1°C change in temperature 95% CI F statistics p-value
Cooling
PSI −0.84 −0.99 to −0.68 F(1, 193.4) = 111.1 <0.001
SR 2.9 2.3–3.4 F(1, 315.2) = 104.6 <0.001
SEF, R (Hz) −0.18 −0.24 to −0.12 F(1, 683.7) = 34.7 <0.001
SEF, L (Hz) −0.22 −0.28 to −0.16 F(1, 333.0) = 47.5 <0.001
Rewarming
PSI 0.70 0.60–0.81 F(1, 27.1) = 194.4 <0.001
SR −2.2 −2.7 to −1.7 F(1, 188.5) = 85.4 <0.001
SEF, R (Hz) 0.18 0.10–0.26 F(1, 210.2) = 19.3 <0.001
SEF, L (Hz) 0.28 0.21–0.36 F(1, 215.7) = 50.3 <0.001

CI, confidence interval; PSI, patient state index; SEF, R, spectral edge frequency, right cerebral hemisphere; SEF, L, spectral edge frequency, left cerebral hemisphere; SR, suppression ratio.