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Table 2 Fractional anisotropy means plusmn SD by group

From: Early microstructural white matter changes in patients with HIV: A diffusion tensor imaging study

Brain region HIV-1 n (n = 12) HIV-1 m (n = 7) Control (n = 19)
Frontal lobes 0.324 plusmn  0.0017 0.314 plusmn 0.0022 0.332 plusmn 0.0021
Temporal lobes 0.355 plusmn 0.0016 0.341 plusmn 0.0021 0.370 plusmn 0.0018
Posterior lobes 0.329 plusmn 0.0018 0.317 plusmn 0.0015 0.347 plusmn 0.0021
Corpus callosum 0.415 plusmn 0.0028 0.350 plusmn 0.0044 0.422 plusmn 0.0037
Brainstem 0.401 plusmn 0.0012 0.389 plusmn 0.0021 0.399 plusmn 0.0016