Table 2 EEP-EIP, EED, breathing cycle, RR, the duration within 5 mm gating window per minute increased, the duration within 5 mm gating window per respiration and scan efficiency before and after fitting the BELT

EIP-EEP (mm)

All

14.9 ± 6.2

9.4 ± 3.8

< 0.001

UK

15.9 ± 6.0

9.7 ± 3.1

0.001

Japan

14.0 ± 6.4

9.1 ± 4.6

0.001

EED (sec)

All

1.44 ± 0.78

1.42 ± 0.59

0.905

UK

1.49 ± 0.91

1.40 ± 0.65

0.451

Japan

1.39 ± 0.67

1.44 ± 0.54

0.410

Breathing cycle (sec)

All

6.71 ± 2.47

5.83 ± 2.07

0.002

UK

6.93 ± 2.50

6.16 ± 2.28

0.022

Japan

6.48 ± 2.50

5.50 ± 1.85

0.041

Respiratory rate (min^-1)

All

10.0 ± 3.1

11.2 ± 3.0

0.003

UK

9.5 ± 2.8

10.7 ± 2.8

0.038

Japan

10.4 ± 3.5

11.8 ± 3.1

0.036

Duration within 5 mm gating window per respiration (sec)

All

3.2 ± 1.5

3.4 ± 1.4

0.120

UK

3.3 ± 1.7

3.6 ± 1.9

0.266

Japan

3.0 ± 1.3

3.2 ± 0.9

0.534

Duration within 5 mm gating window per minute (sec)

All

27.8 ± 7.8

35.5 ± 1.8

< 0.001

UK

27.8 ± 8.5

34.3 ± 9.6

0.020

Japan

27.8 ± 7.3

36.6 ± 10.6

0.005

Scan efficiency using 5 mm gating window (%)

All

45.3 ± 11.4

58.6 ± 17.0

< 0.001

UK

44.2 ± 10.8

55.7 ± 16.7

0.004

Japan

46.3 ± 32.2

61.0 ± 17.6

0.001