Table 4 Comparison between diagnosis regards DHI cut off value for penetration and aspiration
DHI cutoff | Diagnosis | Neurological | GERD | Cancer | Trauma | Autoimmune Ds | Total | χ2 | p-value |
|---|---|---|---|---|---|---|---|---|---|
Penetration |  ≤ 41 | 1 (5.9%) | 7 (63.6%) | 0 | 1 (100%) | 0 | 9 (27.3%) | 13.96 | 0.001 HS |
 > 41 | 16 (94.1%) | 4 (36.4%) | 3 (100%) | 0 | 1 (100%) | 24 (72.7%) | |||
Total | 17 (100%) | 11 (100%) | 3 (100%) | 1 (100%) | 1 (100%) | 33 (100%) | |||
Aspiration |  ≤ 68 | 4 (23.5%) | 11 (100%) | 1 (33.3%) | 1 (100%) | 0 | 17 (51.5%) | 19.37 |  < 0.001 HS |
 > 68 | 13 (76.5%) | 0 | 2 (66.7%) | 0 | 1 (100%) | 16 (48.5%) | |||
Total | 17 (100%) | 11 (100%) | 3 (100%) | 1 (100%) | 1 (100%) | 33 (100%) |