Skip to main content

Table 2 Results from the linear mixed effects model (study 2)

From: How to assess intra- and inter-observer agreement with quantitative PET using variance component analysis: a proposal for standardisation

Component Factor level Estimate 95 % CI P-value
Observer 1st (reference)    
2nd −10.03 −351.91 to 331.85 0.95
3rd 28.39 −313.49 to 370.27 0.87
Time point Baseline (reference)    
Post operation −490.51 −859.78 to −121.24 0.009
1. follow-up 185.90 −210.54 to 582.33 0.36
2. follow-up −89.89 −692.92 to 513.13 0.77
3. follow-up −389.29 −937.38 to 158.80 0.16
Constant   2675.03 2046.19 to 3303.86 <0.0001
Patient variance   345668.5 127739.2 to 935395.8  
Scanner variance   97156.9 2976.2 to 3171673  
Residual variance   745438.9 582229.8 to 954398.3