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. Author manuscript; available in PMC: 2019 Aug 1.
Published in final edited form as: J Acquir Immune Defic Syndr. 2018 Aug 1;78(4):429–436. doi: 10.1097/QAI.0000000000001687

Table 3.

Multivariate prediction performance of the global T-score using structural imaging data by model.

Model (n=139) Correlation p-value R2 p-value MSE p-value Norm MSE p-value
GPR 0.27 0.001 0.07 0.28 37.7 0.001 1.00 0.001
KRR 0.28 <0.01 0.08 0.02 41.5 0.02 1.10 0.02

P-values calculated with permutation testing (1,000 repetitions). Abbreviations: GPC: Gaussian process classification; KRR: kernel ridge regression; MSE: mean squared error.