Table 3: Results of mixed-effects model.

Model item

Value

Notes

Fixed Effects

 

 

Time

p = 0.008

Significant

Anesthesia

p = 0.314

Not significant

Time*Anesthesia

p = 0.311

Not significant

Model Fit

 

 

RSquare

 

0.878

 

The model explains 87% of the variance.

RMS

6.688

Moderate prediction error

Variance component

 

 

Patient ID

(Random effect)

221.01

Var Ratio = 4.94 (substantial between-patient variability)

Residual (Error)

44.72

 

Var Ratio = 1

Total Variance

265.73

Sum of components

ICC

0.83

 

83% of the total variance is due to differences between patients.