Table 2.
CT-perfusion parameters by TNM status (seventh edition)
|
CT-perfusion parameters |
T status |
N status |
M status |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| All tumors ( n = 46) | T1 ( n = 5) | T2 ( n = 29) | T3 ( n = 6) | T4 ( n = 6) | p | N0 ( n = 15) | N1 ( n = 10) | N2 ( n = 9) | N3 ( n = 12) | p | M0 ( n = 28) | M1 ( n = 18) | p |
| Blood flow (mL/100 mL min-1), mean ± SD |
32.1 ± 12.7 |
38.2 ± 28.3 |
28.3 ± 10.9 |
32.3 ± 9.5 |
0.81 |
45.6 ± 36.2 |
27.1 ± 10.9 |
35.7 ± 9.2 |
29.7 ± 13.9 |
0.14 |
37.6 ± 28.4 |
32.2 ± 12.9 |
0.92 |
| Blood volume (mL/100 mL), mean ± SD |
5.6 ± 3.1 |
9.4 ± 7.3 |
6.0 ± 4.5 |
8.4 ± 4.4 |
0.26 |
11.3 ± 8.9 |
4.7 ± 2.8 |
10.5 ± 4.9 |
6.3 ± 2.7 |
0.005 |
8.4 ± 7.0 |
8.4 ± 5.4 |
0.73 |
| Mean transit time (s), mean ± SD |
14.4 ± 2.6 |
13.6 ± 4.8 |
14.8 ± 4.2 |
15.9 ± 5.1 |
0.78 |
13.5 ± 5.9 |
14.7 ± 2.9 |
15.0 ± 4.2 |
13.9 ± 4.2 |
0.48 |
13.5 ± 4.7 |
15.2 ± 4.1 |
0.39 |
|
NSCLC (
n =
41) |
T1 (
n
= 4) |
T2 (
n
= 27) |
T3 (
n
= 5) |
T4 (
n
= 5) |
p
|
N0 (
n
= 14) |
N1 (
n
= 10) |
N2 (
n
= 6) |
N3 (
n
= 11) |
p
|
M0 (
n
= 26) |
M1 (
n
= 15) |
p
|
| Blood flow (mL/100 mL min-1), mean ± SD |
32.0 ± 14.7 |
38.2 ± 29.3 |
30.6 ± 10.4 |
28.3 ± 10.9 |
0.96 |
47.7 ± 36.7 |
27.1 ± 10.9 |
34.9 ± 9.2 |
27.9 ± 13.1 |
0.08 |
37.4 ± 29.4 |
32.2 ± 12.7 |
0.89 |
| Blood volume (mL/100 mL), mean ± SD |
6.0 ± 3.5 |
9.5 ± 7.5 |
6.2 ± 4.9 |
6.0 ± 4.5 |
0.57 |
11.9 ± 9.0 |
4.7 ± 2.8 |
10.4 ± 4.6 |
6.2 ± 2.8 |
0.003 |
8.6 ± 7.2 |
8.0 ± 5.3 |
0.95 |
| Mean transit time (s), mean ± SD | 13.8 ± 2.6 | 13.8 ± 4.7 | 15.5 ± 4.3 | 16.6 ± 5.4 | 0.65 | 13.6 ± 6.1 | 14.7 ± 2.9 | 15.1 ± 5.1 | 14.7 ± 3.6 | 0.62 | 13.7 ± 4.6 | 15.6 ± 4.3 | 0.30 |
CT, computed tomography; NSCLC, non-small cell lung carcinoma; SD, standard deviation.