Table 2. Comparison of features A-E between LN(−) and LN(+) tumors (N = 419).
| LN (−)(n = 226) | LN (+)(n = 226) | P value | |
|---|---|---|---|
| Feature A (Calcification morphology) | 0.123 | ||
| Fine linear/branching/pleomorphic | 55 (24.3) | 60 (31.1) | |
| Amorphour/Coarse heterogenous | 171 (75.7) | 133 (68.9) | |
| Feature B (Calcification distrubution) | 0.058 | ||
| Grouped or Clustered or Regional | 169 (74.8) | 128 (66.3) | |
| Linear or Segmental | 57 (25.2) | 65 (33.7) | |
| Feature C | 0.019 | ||
| Calcifications ≤ 2 cm in range | 170 (75.2) | 125 (64.8) | |
| Calcifications > 2 cm in range | 56 (24.8) | 68 (35.2) | |
| Feature D | 0.047 | ||
| Calcifications ≤ 0.5 mm in diameter | 172 (76.1) | 130 (67.4) | |
| Calcifications > 0.5 mm in diameter | 54 (23.9) | 63 (32.6) | |
| Feature E | 0.005 | ||
| Calcifications ≤ 20/cm2 in density | 169 (74.8) | 120 (62.2) | |
| Calcifications > 20/ cm2 in density | 57 (25.2) | 73 (37.8) |
Note – Numbers in parentheses are percentages.