Table 3 The mean pre-, peak & net enhancement among the studied pulmonary nodules
From: The role of dynamic contrast-enhanced CT in characterization of solitary solid pulmonary nodules
Benign nodule (n = 8) | Primary malignant (n = 15) | Secondary malignant (n = 17) | Test of significance | |
|---|---|---|---|---|
p (value) | ||||
Pre | 25.12 ± 5.54 | 43.80 ± 9.95 | 34.35 ± 9.53 | F = 11.526 p ≤ 0.001* |
After 1 min | 31.50 ± 3.50 | 80.86 ± 18.10 | 60.64 ± 10.91 | F = 36.007 p ≤ 0.001* |
After 2 min (peak) | 34.12 ± 4.64 | 100.66 ± 25.98 | 73.64 ± 12.24 | F = 35.835 p ≤ 0.001* |
After 3 min | 32.25 ± 4.71 | 75.53 ± 14.25 | 58.00 ± 9.77 | F = 40.170 p ≤ 0.001* |
After 4 min | 29.75 ± 4.43 | 65.33 ± 10.56 | 50.82 ± 7.98 | F = 45.212 p ≤ 0.001* |
After 15 min | 28.12 ± 4.29 | 53.60 ± 8.05 | 40.88 ± 7.50 | F = 33.706 p ≤ 0.001* |
Net enhancement | 7.5 (5–14) | 44. (35–131) | 34 (24–78) | KW = 22.697 p ≤ 0.001* |
Washout of contrast | 6 (2–9) | 47 (23–70) | 32 (15–48) | KW = 20.587 p ≤ 0.001* |