. 2015 Dec 17;82(1):39–46. doi: 10.1016/j.bjorl.2015.12.001

Table 1.

Comparison between elderly (GI) and adult (GII) groups for initial frequency (IF).

Consistency	Elderly group	Adult group	p-value
Dry	350.6 Hz	578.2 Hz	0.0000^a
Liquid – DL	404.8 Hz	567.4 Hz	0.0000^a
Liquid – 5 mL	556.8 Hz	571.5 Hz	0.19610
Liquid – 10 mL	473.1 Hz	684.4 Hz	0.0000^a
Nectar – DL	406.4 Hz	616.7 Hz	0.0000^a
Nectar – 5 mL	566.1 Hz	404.5	0.0000^a
Nectar – 10 mL	489.7 Hz	471.9 Hz	0.1034
Honey – DL	416.4 Hz	603.0 Hz	0.0000^a
Honey – 5 mL	560.1 Hz	587.9 Hz	0.0093^a
Honey – 10 mL	429.1 Hz	384.1 Hz	0.0020^a
Pudding – DL	412.8 Hz	333.0 Hz	0.0000^a
Pudding – 5 mL	569.7 Hz	555.3 Hz	0.1097
Pudding – 10 mL	433.7 Hz	342.3 Hz	0.0000^a

Student's t-test.

Significant differences at the 0.05 significance level.