Table 2.
Demographics and Clinical Characteristics by age group.
| Variable | Age, years | P value | |||
|---|---|---|---|---|---|
| 0—4 | 5—9 | 10—14 | 15—19 | ||
| Gender | 0.46 | ||||
| Male | 40 | 10 | 31 | 62 | |
| Female | 35 | 16 | 30 | 77 | |
| Race | 0.6 | ||||
| White | 62 | 17 | 46 | 115 | |
| Black | 7 | 7 | 9 | 18 | |
| AI | 0 | 0 | 1 | 1 | |
| API | 5 | 2 | 4 | 4 | |
| Primary site | 0.65 | ||||
| Upper lobe | 25 | 6 | 16 | 34 | |
| Middle lobe | 5 | 3 | 4 | 15 | |
| Lower lobe | 24 | 6 | 18 | 52 | |
| Overlapping | 4 | 2 | 3 | 7 | |
| T and B | 6 | 6 | 9 | 19 | |
| NOS | 11 | 3 | 11 | 12 | |
| Laterality | 0.37 | ||||
| Right | 36 | 12 | 30 | 77 | |
| Left | 37 | 11 | 27 | 53 | |
| Bilaterality | 1 | 3 | 2 | 8 | |
| NOS | 1 | 0 | 2 | 1 | |
| Histology | <0.01 | ||||
| Carcinoid tumor | 1 | 1 | 23 | 64 | |
| MEC | 3 | 11 | 9 | 14 | |
| Adenocarcinoma | 2 | 5 | 12 | 12 | |
| SCC | 0 | 1 | 1 | 10 | |
| NET | 0 | 0 | 2 | 14 | |
| Pulmonary blastoma | 59 | 3 | 3 | 2 | |
| Atypical carcinoma | 0 | 0 | 1 | 6 | |
| other | 10 | 5 | 10 | 17 | |
| Grade | 0.02 | ||||
| I | 4 | 7 | 11 | 31 | |
| II | 2 | 3 | 10 | 15 | |
| III | 3 | 2 | 4 | 9 | |
| IV | 4 | 0 | 2 | 4 | |
| Unknown | 62 | 14 | 34 | 80 | |
| Surgery | 0.03 | ||||
| Yes | 69 | 21 | 48 | 104 | |
| No | 6 | 5 | 13 | 35 | |
| TNM stage | <0.01 | ||||
| I | 4 | 10 | 21 | 30 | |
| II | 1 | 1 | 5 | 13 | |
| III | 1 | 3 | 3 | 17 | |
| IV | 1 | 2 | 7 | 23 | |
| Unknown | 68 | 10 | 25 | 56 | |
| Radiotherapy | 0.12 | ||||
| yes | 6 | 0 | 4 | 18 | |
| no | 69 | 26 | 57 | 121 | |
| Chemotherapy | <0.01 | ||||
| yes | 50 | 5 | 13 | 44 | |
| no/unknown | 25 | 21 | 48 | 95 | |
AI, American Indian/Alaska Native; API, Asian or Pacific Islander; T and B, Trachea and Main bronchus; Overlapping, Overlapping lesion of lung; MEC, mucoepidermoid carcinoma; SCC, squamous cell carcinoma; NET, neuroendocrine tumor.