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

Table 2.

Comparison between the elderly (GI) and adult (GII) groups for frequency of first peak (F1P).

Consistency	Elderly group	Adult group	p-value
Dry	661.9 Hz	509.1 Hz	0.0001^a
Liquid – DL	831.4 Hz	916 Hz	0.0000^a
Liquid – 5 mL	832.3 Hz	887.8 Hz	0.0000^a
Liquid – 10 mL	793.6 Hz	1010.9 Hz	0.0000^a
Nectar – DL	779.8 Hz	833.8 Hz	0.0000^a
Nectar – 5 mL	810.7 Hz	799.0 Hz	0.2416
Nectar – 10 mL	990.1 Hz	1050.2 Hz	0.0001^a
Honey – DL	800.6 Hz	897.1 Hz	0.0000^a
Honey – 5 mL	813.7 Hz	819.5 Hz	0.4761
Honey – 10 mL	890.0 Hz	354.5 Hz	0.0000^a
Pudding – DL	791.8 Hz	802.9 Hz	0.4634
Pudding – 5 mL	828.2 Hz	743.5 Hz	0.0000^a
Pudding – 10 mL	886.0 Hz	891.2 Hz	0.6159

Student's t-test.

Significant differences at the 0.05 significance level.