Table 4. Comparison of features A-E between different nodal staging (TNM stage N = 419).
N0(n = 226) | N1(n = 114) | N2(n = 49) | N3(n = 30) | P value | |
---|---|---|---|---|---|
Feature E | 0.027 | ||||
Calcifications ≤ 20/cm2 in density | 169 (58.5) | 71 (24.6) | 28 (9.7) | 21 (7.3) | |
Calcifications > 20/cm2 in density | 57 (43.8) | 43 (33.1) | 21 (16.2) | 9 (6.9) |
Note – Numbers in parentheses are percentages.