Table 2.
Characteristics by loco-regional progression for cohorts 1 and 2 combined
| Characteristics | Subjects | p valuea | |
|---|---|---|---|
| Loco-regional progression | |||
| No (n=122) no (%) or median | Yes (n=18) no (%) or median | ||
| Median age in years at diagnosis (range) | 59 (37–82) | 63 (47–81) | 0.17 |
| Gender, male/female | 92 (75)/30 (25) | 3 (17)/15 (83) | 0.46 |
| Lymph node stage treated (n=129) | |||
| N0/N+ | 30 (27)/81 (73) | 7 (39)/11 (61) | 0.30 |
| Primary tumor stage (n=135) | |||
| 1 or 2 / 3 or 4 | 63 (54)/54 (46) | 6 (33)/12 (67) | 0.11 |
| Disease site condensed (n=134) | |||
| Oral cavity | 3 (3) | 1 (6) | |
| Oropharynx | 72 (61) | 7 (41) | |
| Hypopharynx | 8 (7) | 1 (6) | |
| Larynx | 34 (29) | 8 (47) | 0.37 |
| Median RT duration in days (range) | 50 (38–79) | 53 (49–83) | <0.01 |
| Median pretreatment Hgb (g/dl) (range) | 13.9 (8.60–19.40) | 12.45 (9.50–15.50) | 0.02 |
RT radiation therapy, Hgb hemoglobin, g/dl grams per deciliter
a
Fisher exact test or Chi square (two-tailed) was used to examine differences for categorical variables and Mann–Whitney U (two-tailed) was used to examine differences for continuous variables