Table 2.
MBSImP component OI scores. Summary measures are frequency (%)
| MBSImP component | OI=0
|
OI ≥1
|
||
|---|---|---|---|---|
| COPD N=10 | Healthy N=37 | COPD N=10 | Healthy N=37 | |
| C1 – Lip closurea | 8 (80%) | 34 (92%) | 2 (20%) | 3 (8%) |
| C2 – Bolus hold | 5 (50%) | 22 (59%) | 5 (50%) | 15 (41%) |
| C3 – Bolus preparation/mastication | 3 (30%) | 33 (89%) | 7 (70%) | 4 (11%) |
| C4 – Lingual transport | 7 (70%) | 27 (73%) | 3 (30%) | 10 (27%) |
| C5 – Oral residuea | 0 (0%) | 12 (32%) | 10 (100%) | 25 (68%) |
| C6 – Initiation of pharyngeal swallow | 0 (0%) | 2 (5%) | 10 (100%) | 35 (95%) |
| C7 – Soft palate elevation | 5 (50%) | 37 (100%) | 5 (50%) | 0 (0%) |
| C8 – Laryngeal elevation | 6 (60%) | 16 (43%) | 4 (40%) | 21 (57%) |
| C9 – Anterior hyoid excursion | 7 (70%) | 6 (16%) | 3 (30%) | 31 (84%) |
| C10 – Epiglottic movement | 7 (70%) | 29 (79%) | 3 (30%) | 8 (21%) |
| C11 – Laryngeal vestibular closure | 5 (50%) | 31 (84%) | 5 (50%) | 6 (16%) |
| C12 – Pharyngeal stripping wave | 7 (70%) | 22 (59%) | 3 (30%) | 15 (41%) |
| C13 – Pharyngeal contraction | 8 (80%) | 30 (81%) | 2 (20%) | 7 (19%) |
| C14 – Pharyngoesophageal segment opening | 1 (10%) | 2 (5%) | 9 (90%) | 35 (95%) |
| C15 – Tongue base retractiona | 0 (0%) | 17 (46%) | 10 (100%) | 20 (54%) |
| C16 – Pharyngeal residuea | 0 (0%) | 15 (41%) | 10 (100%) | 22 (59%) |
| C17 – Esophageal clearanceb | 0 (0%) | 19 (51%) | 9 (100%) | 18 (49%) |
Notes:
a
OI score of 1 for this component is considered normal variation. Thus, OI scores of 0 and 1 were collapsed under the OI=0 column.
b
Missing one score for a COPD patient.
Abbreviations: OI, overall impression; MBSImP, Modified Barium Swallow Impairment Profile.