Table 3. Residue and Penetration-Aspiration (Pen-Asp) scores over the I-PRO intervention and maintenance periods.

Visit	Bolus type	Oral cavity	Valleculae	Post pharyngeal wall	Pyriform sinus	Cricopharyngeus	Pen-Asp score
Baseline	3 mL liquid	1	1	1	2	0	2
Baseline	3 mL liquid	1	1	1	2	1	1
Baseline	3 mL liquid	1	1	1	2	1	2
Baseline	10 mL liquid	1	1	0	2	1	2
Baseline	10 mL liquid	1	1	1	2	1	5
Baseline	10 mL liquid	1	1	1	2	1	1
Baseline	3 mL SS	0	2	1	2	1	1
Baseline	3 mL SS	0	2	2	2	1	1
Baseline	3 mL SS	2	2	2	2	0	1
Baseline	Cup liquid	0	1	1	2	1	1
Week 4	3 mL liquid	1	1	0	1	1	3
Week 4	3 mL liquid	0	1	1	1	1	3
Week 4	3 mL liquid	1	1	1	1	1	1
Week 4	3 mL liquid	0	1	0	2	1	1
Week 4	10 mL liquid	0	1	1	1	0	2
Week 4	10 mL liquid	0	1	0	1	1	2
Week 4	10 mL liquid	0	1	1	2	1	2
Week 4	3 mL SS	1	1	1	2	1	2
Week 4	3 mL SS	1	0	2	2	2	1
Week 4	3 mL SS	1	1	2	2	2	1
Week 4	Cup liquid	1	1	0	1	2	2
Week 8	3 mL liquid	1	1	0	2	2	1
Week 8	3 mL liquid	1	1	0	1	2	1
Week 8	3 mL liquid	1	1	0	2	2	3
Week 8	10 mL liquid	1	1	0	1	1	3
Week 8	10 mL liquid	1	1	0	2	2	2
Week 8	10 mL liquid	1	2	0	2	2	2
Week 8	3 mL SS	1	1	2	2	1	1
Week 8	3 mL SS	2	0	2	2	2	1
Week 8	3 mL SS	2	0	2	2	2	1
Week 8	Cup liquid	1	1	1	1	1	1
Maintenance	3 mL thin	1	1	1	2	0	1
Maintenance	3 mL thin	1	1	1	2	2	3
Maintenance	3 mL thin	1	0	0	2	2	1
Maintenance	10 mL thin	1	2	0	2	2	5
Maintenance	10 mL thin	0	1	0	2	2	1
Maintenance	3 mL SS	1	0	1	2	2	1

Note : Detraining period data are unavailable for measurement.