Table 5.
Nomogram score of risk factors for LNM and DM in T1-2 NSCLC.
| Risk factors | Nomogram score | |
|---|---|---|
| Lymph nodes metastasis | Distant metastasis | |
| Age | ||
| ≤56 | 34 | / |
| >56 | 0 | / |
| Race | ||
| White | 0 | 2 |
| Black | 11 | 10 |
| American Indian/ Alaska Native |
15 | 0 |
| Asian or Pacific Islander |
4 | 8 |
| Sex | ||
| Male | 7 | 4 |
| Female | 0 | 0 |
| Histology | ||
| Adenocarcinomas | 26 | 40 |
| Squamous cell carcinoma |
12 | 10 |
| Large cell carcinoma |
31 | 40 |
| Others | 0 | 0 |
| T-stage | ||
| T1a | 0 | 0 |
| T1b | 3 | 13 |
| T2a | 31 | 18 |
| T2b | 71 | 29 |
| N-stage | ||
| N0 | / | 0 |
| N1 | / | 24 |
| N2 | / | 67 |
| N3 | / | 100 |
| Marital status | ||
| Married | 11 | 2 |
| Single | 0 | 9 |
| Divorced | 11 | 0 |
| Widowed | 0 | 1 |
| Tumor size (mm) | ||
| 1-19 | 0 | 0 |
| 20-29 | 39 | 11 |
| >29 | 75 | 27 |
| Grade | ||
| Well differentiated; Grade I |
0 | 0 |
| Moderately differentiated; Grade II |
69 | 23 |
| Poorly differentiated; Grade III |
100 | 40 |
| Undifferentiated; anaplastic; Grade IV |
95 | 48 |
| Laterality | ||
| Left | / | 5 |
| Right | / | 0 |