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Table 5 FLAIR values (mean ± standard deviation) and ratios with 95% confidence interval

From: Differentiation of multiple brain metastases and glioblastoma with multiple foci using MRI criteria

Parameter

Multiple brain metastases

mGBM

Multifocal mGBM

Multicentric mGBM

Mixed mGBM

FLAIR-value (tumor)

418 ± 100**

470 ± 110

495 ± 157

461 ± 79

459 ± 87

FLAIR-value (edema 5 mm)

565 ± 104

535 ± 149

577 ± 225

478 ± 120

533 ± 79*

FLAIR-value (edema 10 mm)

571 ± 98

562 ± 172

583 ± 241*

508 ± 100

562 ± 73*

FLAIR-value (edema 20 mm)

566 ± 100

537 ± 145

531 ± 230

505 ± 113

558 ± 68

FLAIR-ratio (tumor)

1.38 ± 0.34**

(1.31–1.43)

1,56 ± 0.29

(1.52–1.61)

1.62 ± 0.31

(1.53–1.71)

1.64 ± 0.28

(1.52–1.76)

1.51 ± 0.28*

(1.45–1.57)

FLAIR-ratio (edema 5 mm)

1.87 ± 0.33*

(1.81–1.94)

1.80 ± 0.30

(1.73–1.87)

1.88 ± 0.29*

(1.75–2.00)

1.64 ± 0.34*

(1.45–1.84)

1.80 ± 0.27

(1.71–1.89))

FLAIR-ratio (edema 10 mm)

1.94 ± 0.30

(1.86–2.01)

1.80 ± 0.28

(1.71–1.89)

1.85 ± 0.33

(1.68–2.02)

1.63 ± 0.08

(1.54–1.72)

1.80 ± 0.24

(1.66–1.93)

FLAIR-ratio (edema 20 mm)

1.93 ± 0.29

(1.84–2.02)

1.78 ± 0.27

(1.67–1.89)

1.89 ± 0.41

(1.57–2.21)

1.64 ± 0.06

(1.56–1.71)

1.76 ± 0.15

(1.66–1.86)

  1. mGBM Glioblastoma with multiple foci at presentation, BM Brain metastases, FLAIR Fluid attenuated inversion recovery, edemas were measured in 5, 10 and 20 mm distance (if available) from the contrast enhancing tumor. * -differs significantly p < .05 from some other groups with t-Test ** -differs significantly p < .05 from all other groups with t-Test