01.12.2017  Research  Ausgabe 1/2017 Open Access
Magnitude and influencing factors of respirationinduced liver motion during abdominal compression in patients with intrahepatic tumors
 Zeitschrift:
 Radiation Oncology > Ausgabe 1/2017
Introduction
Materials and methods
Patients
Abdominal compression
4DCT image acquisition
Liver displacement acquisition and analysis
Formulas
Statistical analyses
Clinicopathological factors

Breath amplitude in CC direction

pvalue



≤5 mm

>5 mm


Gender, n (%)


Male

17 (41.5%)

24 (58.5%)

0.041*

Female

9 (75.0%)

3 (25.0%)


Age, n (%)


≤ 50 y

11 (55.0%)

9 (45.0%)

0.500

> 50 y

15 (45.5%)

18 (54.5%)


BMI, n (%)


< 25 kg/m
^{2}

23 (62.2%)

14 (37.8%)

0.004*

≥ 25 kg/m
^{2}

3 (18.7%)

13 (81.3%)


TACE, n (%)


Yes

15 (51.7%)

14 (48.3%)

0.669

No

11 (45.8%)

13 (54.2%)


Postoperative recurrence, n (%)


Yes

10 (45.5%)

12 (54.5%)

0.659

No

16 (51.6%)

15 (48.4%)


Liver tumor location, n (%)


Right lobe

18 (50.0%)

18 (50.0%)

0.691

Left lobe

2 (33.3%)

4 (66.7%)


Left and right lobe

6 (54.5%)

5 (45.5%)


Intrahepatic lesions, n (%)


Solitary

15 (48.4%)

16 (51.6%)

0.908

Multiple

11 (50.0%)

11 (50.0%)


Tumor diameter, n (%)


≤ 5 cm

19 (48.7%)

20 (51.3%)

0.934

> 5 cm

7 (50.0%)

7 (50.0%)

Parameter

Multivariate Analysis



OR

95% CI

pvalue


Gender


Male

1

0.030*


Female

7.450

1.221–45.473


BMI


≥ 25 kg/m
^{2}

1

0.006*


< 25 kg/m
^{2}

10.842

2.012–58.434
