aFixed effect: channel location | Normal distribution | Likelihood ratio test | χ^{2} = 494.0 | *p* < 10^{−16} |

bFixed effect: flicker location | Normal distribution | Likelihood ratio test | χ^{2} = 211.0 | *p* < 10^{−16} |

cFixed effect: harmonic | Normal distribution | Likelihood ratio test | χ^{2} = 718.0 | *p* < 10^{−16} |

dInteraction: flicker location and harmonic | Normal distribution | Likelihood ratio test | χ^{2} = 190.0 | *p* < 10^{−16} |

eFixed effect: flicker configuration | Normal distribution | Likelihood ratio test | χ^{2} = 17.6 | *p* = 0.015 |

fFixed effect (coherence): harmonic | Normal distribution | Likelihood ratio test | χ^{2} = 179.0 | *p* < 10^{−16} |

gFixed effect (coherence): flicker location | Normal distribution | Likelihood ratio test | χ^{2} = 29.5 | *p* < 10^{−6} |

hFixed effect (coherence): channel location | Normal distribution | Likelihood ratio test | χ^{2} = 62.3 | *p* < 10^{−10} |

iInteraction (coherence): flicker location and harmonic | Normal distribution | Likelihood ratio test | χ^{2} = 6.2 | *p* < 0.02 |

jMI: 0% vs 0.6% isoflurane | Normal distribution | Two-tailed *t* test | *t* = 3.4 | *p* < 0.008 |

kMI: 0% isoflurane vs recovery | Normal distribution | Two-tailed *t* test | *t* = 1.6 | *p* = 0.130 |

lMI: 0.6% isoflurane vs recovery | Normal distribution | Two-tailed *t* test | *t* = -4.2 | *p* < 0.003 |

mSpontaneous power 20-30 Hz: 0% vs 0.6% isoflurane | Normal distribution | Two-tailed *t* test | *t* = −6.25 | *p* < 0.00005 |

nSpontaneous power 80-90Hz: 0% vs 0.6% isoflurane | Normal distribution | Two-tailed *t* test | *t* = −4.3 | *p* < 0.002 |

oFixed effect: isoflurane | Normal distribution | Likelihood ratio test | χ^{2} = 631.36 | *p* < 10^{−16} |

pInteraction: harmonic and isoflurane | Normal distribution | Likelihood ratio test | χ^{2} = 434.7 | *p* < 10^{−16} |

qInteraction: Isoflurane and channel location | Normal distribution | Likelihood ratio test | χ^{2} = 187 | *p* < 10^{−16} |

rInteraction: isoflurane and flicker location | Normal distribution | Likelihood ratio test | χ^{2} = 31.26 | *p* < 0.01 |

sInteraction: isoflurane, channel location and harmonic | Normal distribution | Likelihood ratio test | χ^{2} = 23.09 | *p* < 0.048 |

tSSVEP model fit: 0% isoflurane | Normal distribution | Confidence interval | ρ^{2} = 0.9 | 95% confidence interval for slope[1.0 1.21]; intercept [-6.01 -2.43] |

uSSVEP model fit: highest dose of isoflurane | Normal distribution | Confidence interval | ρ^{2} = 0.95 | slope = [1.05 1.15], intercept = [−1.70 0.75] |

vSSVEP model fit: change between 0% and highest dose of isoflurane | Normal distribution | Confidence interval | ρ^{2} = 0.76 | slope = [0.722 0.94], intercept = [2.50 4.48] |

wFixed effect (coherence): isoflurane | Normal distribution | Likelihood ratio test | χ^{2} = 185 | *p* < 10^{−16} |

xInteraction: harmonic and isoflurane | Normal distribution | Likelihood ratio test | χ^{2} = 146 | *p* < 10^{−16} |

yInteraction: isoflurane and channel location | Normal distribution | Likelihood ratio test | χ^{2} = 29.25 | *p* < 0.00001 |

zInteraction: isoflurane and flicker location | Normal distribution | Likelihood ratio test | χ^{2} = 12.35 | *p* < 0.009 |

aaInteraction: isoflurane, harmonic and channel location | Normal distribution | Likelihood ratio test | χ^{2} = 0.66 | *p* **=** 0.72 |

abCoherence model:
vs
| Normal distribution | Two-tailed *t* test | *t* = −5.47 | *p* < 0.0001 |

avCoherence model:
vs
| Normal distribution | Two-tailed *t* test | *t* = −5.46 | *p* < 0.0001 |

adCoherence model:
vs
| Normal distribution | Two-tailed *t* test | *t* = −2.3 | *p* < 0.040 |