Table 1. Characteristics of HNSCC patients with and without locoregional recurrence.
| Locoregional recurrence status | Nonlocoregionally recurrent HNSCC patients (N = 28664) |
Locoregionally recurrent HNSCC patients (N = 4839) |
|||
|---|---|---|---|---|---|
| Variable | n | (%) | n | (%) | p value* |
| Sex | <0.001 | ||||
| Male | 26174 | (85.29) | 4516 | (14.71) | |
| Female | 2490 | (88.52) | 323 | (11.48) | |
| Age (years) | <0.001 | ||||
| 20–35 | 1107 | (83.61) | 217 | (16.39) | |
| 36–49 | 10661 | (83.72) | 2073 | (16.28) | |
| 50–64 | 11856 | (86.03) | 1925 | (13.97) | |
| ≥65 | 5040 | (88.98) | 624 | (11.02) | |
| Cancer site | <0.001 | ||||
| Oral cavity | 22685 | (84.55) | 4145 | (15.45) | |
| Oropharynx | 2583 | (88.95) | 321 | (11.05) | |
| Hypopharynx | 3393 | (90.10) | 373 | (9.90) | |
*p values were calculated using a chi-square test.
Row percentages are presented in this table.