Table 3.

Linear generalized estimating equations model results predicting relative prefrontal cortex volumes with apoE in the PFC and radiation dose as independent predictors.

Fixed effects	Estimate	Standard error	Wald	Pr ( >|W|)
(Intercept)	2.30e−01	2.30e−02	9.96e+01	< 2.00e−16***
PFC ApoE levels	− 4.20e−04	1.50e−04	8.18e+00	4.20e−03**
Radiation Dose (gy)	− 6.60e−03	3.50e−03	3.56e+00	5.90e−02+

***p < 0.001; **p < 0.01; ⁺p < 0.1; displayed p-values are uncorrected for multiple comparisons.