Table 1.
Patient characteristics
| Characteristic | DPE group | CRT group | Total |
|---|---|---|---|
| Sex | |||
| Male/Female, No. | 8/9 | 3/4 | 11/13 |
| Median age, years (range) | 26 (19–60) | 25 (19–32) | 26 (19–60) |
| Primary tumor site, No. | |||
| Paranasal sinus | 6 | 5 | 11 |
| Nasal cavity | 6 | 1 | 7 |
| Parapharyngeal space | 2 | 0 | 2 |
| Oral cavity | 1 | 1 | 2 |
| Nasopharynx | 1 | 0 | 1 |
| Others | 1 | 0 | 1 |
| T classification, No. | |||
| T1a/T1b/T2a/T2b | 5/2/3/7 | 3/0/0/4 | 8/2/3/11 |
| N classification, No. | |||
| N0/N1 | 11/6 | 3/4 | 14/10 |
| M classification, No. | |||
| M0/M1 | 17/0 | 2/5 | 19/5 |
| SPIO presurgical staging, No. | |||
| I/II/III/IV | 1/4/11/1 | 0/0/2/5 | 1/4/13/6 |
| Resectability in initial image study, No. | |||
| Resectable/Unresectable | 17/0 | 4/3 | 21/3 |
| Histopathological type, No. | |||
| Embryonal/Alveolar/Others | 3/11/3 | 1/6/0 | 4/17/3 |
DPE, delayed primary excision; CRT, chemoradiotherapy; SPIO, International Society of Pediatric Oncology; No., Number of patients.