Table 2 ¹⁸F-florbetapir SUVRs in the healthy controls (HCs) and patients with major depressive disorder (MDD) with differing levels of treatment resistance in seven cortical VOIs and the global cortex

Frontal

0.365

 Mean ± SD

1.09 ± 0.09

1.12 ± 0.11

1.11 ± 0.15

 Median (IQR)

1.07 (1.04–1.16)

1.09 (1.06–1.15)

1.07 (1.03–1.15)

Anterior cingulate

0.606

 Mean ± SD

1.21 ± 0.11

1.24 ± 0.12

1.21 ± 0.15

 Median (IQR)

1.18 (1.13–1.30)

1.24 (1.16–1.33)

1.22 (1.11–1.29)

Posterior cingulate

0.251

 Mean ± SD

1.31 ± 0.12

1.31 ± 0.16

1.36 ± 0.16

 Median (IQR)

1.28 (1.21–1.43)

1.29 (1.24–1.41)

1.35 (1.27–1.44)

Occipital

0.284

 Mean ± SD

1.15 ± 0.08

1.18 ± 0.08

1.21 ± 0.13

 Median (IQR)

1.16 (1.09–1.21)

1.17 (1.14–1.23)

1.19 (1.12–1.24)

Parietal

0.032*

 Mean ± SD

1.01 ± 0.08

1.08 ± 0.11

1.11 ± 0.15^a*

 Median (IQR)

1.03 (0.94–1.06)

1.06 (1.00–1.17)

1.08 (1.02–1.14)

Precuneous

0.201

 Mean ± SD

1.02 ± 0.08

1.06 ± 0.1

1.10 ± 0.17

 Median (IQR)

1.02 (0.95–1.09)

1.04 (1.00–1.10)

1.06 (0.99–1.13)

Temporal

0.693

 Mean ± SD

1.03 ± 0.06

1.02 ± 0.07

1.03 ± 0.12

 Median (IQR)

1.02 (1.00–1.07)

1.01 (0.99–1.04)

1.00 (0.95–1.08)

Global

0.52

 Mean ± SD

1.13 ± 0.07

1.15 ± 0.09

1.16 ± 0.13

 Median (IQR)

1.11 (1.07–1.16)

1.13 (1.11–1.19)

1.14 (1.09–1.18)