Table 3. Demographics of compliant vs. non-compliant patients.
| Characteristic | Non-Compliant (N=70) | Compliant (N=83) | p-value |
|---|---|---|---|
| Gender | 0.488 | ||
| Male | 62 (88.6%) | 70 (84.3%) | |
| Female | 8 (11.4%) | 13 (15.7%) | |
| Age | 0.699 | ||
| Mean ± SD | 59.6±9.9 | 62.4±10 | |
| Median and Range | 62 (33-75) | 63 (33-87) | |
| Ethnicity | 0.570 | ||
| Hispanic or Latino | 7 (10.3%) | 6 (7.3%) | |
| Not Hispanic or Latino | 61 (89.7%) | 76 (92.7%) | |
| Race | 0.708 | ||
| White | 47 (67.1%) | 63 (75.9%) | |
| Black | 8 (11.4%) | 7 (8.4%) | |
| Hispanic | 7 (10%) | 6 (7.2%) | |
| Asian | 7 (10%) | 7 (8.4%) | |
| Multiple | 1 (1.4%) | 0 (0.0%) | |
| Cancer Stage | 0.952 | ||
| 1 | 2 (3.4%) | 4 (5.8%) | |
| 2 | 6 (10.3%) | 7 (10.1%) | |
| 3 | 11 (19%) | 14 (20.3%) | |
| 4 | 39 (67.2%) | 44 (63.8%) | |
| Cancer Site | |||
| Oral | 5 (7.1%) | 9 (10.8%) | 0.576 |
| Nasopharynx | 7 (10%) | 8 (9.6%) | 1 |
| Oropharynx | 35 (50%) | 36 (43.4%) | 0.422 |
| Hypopharynx | 5 (7.1%) | 15 (18.1%) | 0.055 |
| Larynx | 10 (14.3%) | 10 (12%) | 0.811 |
| Other | 8 (11.4%) | 9 (10.8%) | 1 |
| Time since completion of radiation therapy | |||
| Mean ± SD | 57.5±59.3 | 56.1±61.7 | |
| Median and Range | 24 (4-170) | 36 (3-260) | |
| Treatments | |||
| Prior Radiation Therapy | 4 (5.8%) | 4 (5%) | 1 |
| Chemotherapy | 49 (73.1%) | 65 (81.3%) | 0.321 |
| Surgery | 37 (52.9%) | 38 (46.3%) | 0.515 |
| RT Modality | 0.142 | ||
| IMRT | 29 (41.4%) | 47 (56.6%) | |
| Brachytherapy | 0 (0.0%) | 1 (1.2%) | |
| Conventional | 34 (48.6%) | 28 (33.7%) | |
| Stereotactic | 1 (1.4%) | 0 (0.0%) | |
| Multiple modalities | 6 (8.6%) | 7 (8.4%) | |
| Baseline Dysphagia Outcomes | |||
| PAS Total | 5.33±1.85 | 5.13±1.82 | 0.56 |
| PSS Total | 63.20±22.13 | 58.67±21.03 | 0.25 |
| HNCI Total | 31.87±21.55 | 28.52±19.81 | 0.38 |
| OPSE Total | 41.30±22.51 | 39.08±19.86 | 0.59 |
| Hyoid Anterior | 7.59±3.64 | 6.39±4.01 | 0.12 |
| Hyoid Posterior | 18.35±9.07 | 15.73±8.55 | 0.14 |
Abbreviations: RT, radiotherapy; CRT, chemoradiotherapy; IMRT, intensity-modulated radiotherapy.