Table 2. Intragroup and intergroup coefficient of variation (CV) for T1, T2, and proton density (PD) based on anatomical automatic labeling (AAL) and Johns Hopkins University (JHU) atlas in healthy individuals.
| Brain region | Intragroup CV (%) |
Intergroup CV (%) (T1/T2/PD) | P value (T1/T2/PD) | ||
|---|---|---|---|---|---|
| DLa (T1/T2/PD) | Routine (T1/T2/PD) | ||||
| AAL atlas | |||||
| Frontal | 7.41/7.28/3.62 | 8.20/7.14/3.44 | 2.07/5.17/0.61 | .29/.001/.94 | |
| Temporal | 5.10/8.00/3.31 | 5.50/8.62/3.27 | 1.65/4.98/0.40 | .38/.003/.83 | |
| Parietal | 9.32/14.40/3.02 | 9.08/15.90/2.97 | 1.30/8.11/0.45 | .38/<.001/.42 | |
| Occipital | 7.43/11.07/2.15 | 7.19/13.32/2.41 | 1.72/5.10/0.47 | .60/.005/.55 | |
| Insula | 9.03/15.23/2.39 | 9.86/13.44/2.53 | 1.80/7.12/0.72 | .95/.02/.36 | |
| Hippocampus | 8.95/11.43/2.53 | 9.02/14.30/2.71 | 2.62/6.08/0.72 | .22/.005/.34 | |
| Caudate | 13.69/16.20/5.29 | 14.65/17.14/5.37 | 2.60/5.32/0.76 | .70/.35/.92 | |
| Putamen | 13.48/12.37/2.62 | 14.48/17.33/3.47 | 2.04/5.44/0.73 | .99/.11/.92 | |
| Pallidum | 18.77/16.33/2.26 | 17.25/17.00/2.61 | 3.54/3.37/0.85 | .51/.56/.50 | |
| Thalamus | 13.37/12.39/2.38 | 13.99/13.96/3.00 | 1.69/4.05/0.88 | .77/.27/.67 | |
| JHU atlas | |||||
| MCPb | 7.28/7.04/1.72 | 5.89/8.13/1.64 | 1.67/2.79/0.51 | .50/.08/.28 | |
| GCAc | 15.33/9.77/5.84 | 15.22/9.11/6.44 | 1.99/2.89/0.76 | .87/.52/.55 | |
| SCAd | 6.44/3.70/1.98 | 6.00/4.64/1.94 | 1.74/1.71/0.63 | .19/.05/.13 | |
| CPe | 10.16/7.81/4.77 | 9.62/7.54/5.01 | 2.73/2.55/1.08 | .41/.14/.55 | |
| ICf | 9.55/4.29/3.95 | 9.63/4.52/4.20 | 1.30/1.74/0.68 | .83/.21/.45 | |
| ACRg | 9.01/5.62/2.94 | 9.78/6.91/3.86 | 1.97/1.34/0.91 | .92/.97/.98 | |
| SCRh | 9.95/4.68/3.73 | 8.35/4.95/3.07 | 2.16/1.31/1.03 | .27/.14/.28 | |
| PCRi | 14.19/3.72/4.25 | 12.20/4.59/3.69 | 2.60/2.49/0.96 | .42/.03/.23 | |
| ECj | 11.32/5.02/2.82 | 11.23/4.89/3.36 | 1.38/0.92/0.95 | .65/.69/.21 | |
DL: deep learning.
MCP: middle cerebellar peduncle.
GCA: genu of corpus callosum.
SCA: splenium of corpus callosum.
CP: cerebral peduncle.
IC: internal capsule.
ACR: anterior corona radiata.
SCR: superior corona radiata.
PCR: posterior corona radiata.
EC: external capsule.