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Table 4 Difference between SUVmean and cSUVmean for 1h and 3h measurements for all lesions according to recurrent status and lesion subgroups (mean and 95% CI). Percentage difference was calculated by using mean values of cSUVmean and SUVmean groups for 1h and 3h. P-values refer to the hypothesis test that the mean difference of the paired observations at each time-point for SUVmean and cSUVmean is equal to 0

From: Quantification of FDG-PET/CT with delayed imaging in patients with newly diagnosed recurrent breast cancer

Group

Difference 1h

(cSUVmean-SUVmean)

p-value

% diff

Difference 3h

(cSUVmean-SUVmean)

p-value

% diff

All lesions

(337 lesions)

2.51

[2.14 – 2.88]

< 0.0001

63

3.64

[3.22 – 4.06]

< 0.0001

71

Local recurrence

(21 lesions)

1.32

[0.74 – 1.91]

< 0.0001

70

2.02

[1.07 - 2.98]

< 0.0001

84

Distant recurrence

(316 lesions)

2.59

[2.21 - 2.98]

< 0.0001

63

3.75

[3.32 - 4.18]

< 0.0001

71

Lung

(25 lesions)

1.88

[0.48 – 3.27]

0.018

60

3.09

[1.28 - 4.91]

0.007

68

Liver

(7 lesions)

2.17

[−0.80 – 5.14]

0.103

39

2.67

[0.91 - 4.44]

0.017

41

Breast

(27 lesions)

1.09

[0.59 - 1.60]

< 0.0001

63

1.86

[1.06 - 2.66]

< 0.0001

87

Lymph node

(54 lesions)

2.77

[1.62 - 3.92]

< 0.0001

69

4.49

[3.16 - 5.82]

< 0.0001

82

Bone

(213 lesions)

2.73

[2.43 - 2.92]

< 0.0001

63

3.80

[3.45 - 4.14]

< 0.0001

69

Other

(10 lesions)

2.32

[−21.82 – 26.46]

0.437

78

2.73

[−21.54 – 27.00]

0.389

73