Table 2:

Effect sizes, Akaike Information Criterion, and adjusted R² for forward model selection of NAA/Cr in WM and deep GM with T1D covariates

Tissue	HbA1c	DKA	HbA1c x DKA	Age	Sex	Duration	Akaike	aR²
WM	–0.086^{^a}	–	–	–	–	–	17.581	0.291
	–0.080^{^b}	–0.095	–	–	–	–	19.083	0.273
	–0.171^{^a}^,^{^c}	–1.142^{^b}^,^{^c}	0.130^{^b}^,^{^c}	–	–	–	15.373^{^c}	0.394^{^c}
	–0.169^{^a}	–1.156^{^b}	0.131^{^b}	–0.009	–	–	17.298	0.365
	–0.187^{^a}	–1.209^{^b}	0.141^{^b}	–0.001	0.175	–	17.086	0.389
	–0.187^{^a}	–1.267^{^b}	0.144^{^b}	–0.005	0.189	0.012	18.799	0.362
Deep GM	–0.016^{^c}	–	–	–	–	–	–29.356^{^c}	0.061^{^c}
	–0.018	0.034	–	–	–	–	–27.785	0.034
	–0.027	–0.065	0.012	–	–	–	–26.087	–0.001
	–0.029	–0.043	0.010	0.011	–	–	–24.800	–0.023
	–0.027	–0.035	0.009	0.010	–0.018	–	–22.922	–0.075
	–0.028	–0.086	0.011	0.007	–0.005	0.011	–22.194	–0.079

Note:—The en dash indicates that term was not included in model; aR², adjusted R².
↵a P < .005.
↵b P < .05.
↵c Model with lowest Akaike Information Criterion.