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 |