Table 2:
Single modality | OR (95% CI) | C-statistic (95%CI) | P-value |
---|---|---|---|
DaTQUANT: Putamen z-score | 1.13 (1.06, 1.21) | 0.916 (0.792, 1.0) | <0.001 |
MRI: HP/TIV | 0.17 (0.04, 0.72) | 0.739 (0.575, 0.904) | 0.016 |
FDG-PET: CIS ratio | 0.09 (0.02, 0.43) | 0.878 (0.775, 0.981) | 0.002 |
PiB-PET: global SUVr | 2.10 (1.33, 3.31) | 0.884 (0.789, 0.980) | 0.001 |
Two modalities | |||
DaTQUANT + MRI | |||
DaTQUANT | 1.16 (1.06, 1.27) | 0.968 (0.922, 1.0) | 0.001 |
MRI | 0.03 (0.00, 0.58) | 0.02 | |
DaTQUANT + FDG | |||
DaTQUANT | 1.11 (1.03, 1.19) | 0.975 (0.941, 1.0) | 0.006 |
FDG | 0.06 (0.00, 0.96) | 0.047 | |
DaTQUANT + PiB | |||
DaTQUANT | 1.13 (1.04, 1.24) | 0.975 (0.934, 1.0) | 0.005 |
PiB | 1.96 (1.10, 3.50) | 0.022 | |
MRI + FDG | |||
MRI | 0.20 (0.03, 1.22) | 0.910 (0.818, 1.0) | 0.08 |
FDG | 0.10 (0.02, 0.46) | 0.003 | |
MRI + PiB | |||
MRI | 0.05 (0.00, 0.70) | 0.931 (0.862, 0.999) | 0.026 |
PiB | 2.60 (1.34, 5.03) | 0.005 | |
FDG + PiB | |||
FDG | 0.09 (0.01, 0.63) | 0.964 (0.920, 1.0) | 0.015 |
PiB | 2.09 (1.17, 3.71) | 0.012 | |
Three modalities | |||
DaTQUANT + FDG + PiB | |||
DaTQUANT | 1.14 (1.00, 1.30) | 0.992 (0.976, 1.0) | 0.048 |
FDG | 0.05 (0.00, 1.84) | 0.10 | |
PiB | 2.32 (0.94, 5.73 | 0.069 | |
DaTQUANT + MRI + PiB | |||
DaTQUANT | 1.28 (1.00, 1.63) | 0.996 (0.986, 1.0) | 0.0496 |
MRI | 0.00 (0.00, 1.73) | 0.066 | |
PiB | 3.43 (1.06, 11.11) | 0.0399 | |
DaTQUANT + MRI +FDG | |||
DaTQUANT | 1.16 (1.03, 1.30) | 0.987 (0.964, 1.0) | 0.014 |
MRI | 0.04 (0.00, 1.08) | 0.055 | |
FDG | 0.04 (0.00, 1.69) | 0.093 |
Odds ratio (OR) represent a 0.1 unit change. DLB is the reference group, so when the OR is greater than 1 this is more likely to occur in ADem and conversely when the OR is less than 1 then it is least likely to occur in ADem individuals. PiB was log transformed.