Table 4.

Mean Bolus Dwell Times as a Function of Aspiration Status, Age Group, and Viscosity at the Vallecula.

	Age (years)
Volume	61 – 70	71 – 80	81 – 90
Two Percent Milk, Cup
10 ml	0.52 (28%)	0.33 (21%)	0.51 (43%)
Apple Sauce
10 ml	0.70 (11%)	0.77 (29%)	1.33 (33%)
Pudding
10 ml	1.27 (22%)	0.96 (29%)	1.86 (43%)
Graham Cracker
2 gm	1.43 (28%)	1.28 (25%)	2.28 (40)

Note. For each group, means were calculated for all bolus dwell times greater than zero. The percentage of participants within each age group who had a bolus dwell time greater than zero is provided in parentheses to the right of the bolus dwell time mean.