TABLE 4. Comparison between the groups formed by preoperative imaging .
| Criteria (imaging) | Mean | SD | n | p | 1° Quartil | Mediana | n | p |
| Size of the larger nodule* (pathology) | 0,004 | 0,004 | ||||||
| Downstaging | 36,28A | 18,82 | 29 | 23,00 | 35,00 | 29 | ||
| MC | 27,77B | 13,34 | 352 | 20,00 | 25,00 | 352 | ||
| MBC | 24,72B | 9,36 | 33 | 20,00 | 22,00 | 33 | ||
| Nodules >2 cm (pathology) | 0,118 | 0,118 | ||||||
| Downstaging | 1,21 | 0,68 | 29 | 1,00 | 1,00 | 29 | ||
| MC | 0,97 | 0,72 | 352 | 1,00 | 1,00 | 352 | ||
| MBC | 1,21 | 1,17 | 33 | 0,50 | 1,00 | 33 | ||
| Nodule total number (pathology) | <0,001 | <0,001 | ||||||
| Downstaging | 2,38 | 1,52 | 29 | 1,00 | 2,00 | 29 | ||
| MC | 2,03B | 1,52 | 352 | 1,00 | 1,00 | 352 | ||
| MBC | 3,48A | 2,50 | 33 | 2,00 | 3,00 | 33 |
p=descriptive level of the Kruskal-Wallis test; (A) and (B) show separate averages from Bonferroni-Dunn multiple comparisons; SD=standard deviation; *milimeters