Table 3.

Time course of changes in blood glucose level and salivary α-amylase activities after the different glucose-loadings

		Blood glucose level (mg/dl)							AUBGC	s-AMY
		Pre-loading	15 min	30 min	45 min	60 min	90 min	120 min	(mg/dl × min)	Pre-loading	Post-loading	60 min
Control	Mean ± SE	79.6 ± 3.0	128.4 ± 6.6	129.9 ± 8.9	130 ± 9.6	121.5 ± 10.6	105.9 ± 5.8	92 ± 5.1	14,335 ± 692	45.3 ± 4.3	42.9 ± 3.5	40.1 ± 2.4
	Median	75	131.5	135.5	130.5	124	105	97	13,633	43	42	39
	Inter-quartile range	11.8	21.0	35.0	35.3	20.5	10.5	12.8	1776	10.5	8.5	5.5
Nose clipping	Mean ± SE	79.8 ± 1.7	117.9 ± 4.7	118.2 ± 11.3	111.1 ± 12.2	107.2 ± 9.2	93.9 ± 7	80.1 ± 3.8	12,832 ± 745	42.3 ± 1.8	48.1† ± 2.2	42.1# ± 0.9
	Median	78	122	128.5	96	106	93	80	12,607	42	47	41
	Inter-quartile range	6.3	13.3	50.0	56.3	39.8	26.3	13.0	2664	3.5	6.5	3.5
Intragastric	Mean ± SE	80.8 ± 1.6	115.4 ± 5.2	113.4 ± 11.8	104.6 ± 9.6	98 ± 8.1	87.9 ± 3.9	86.3 ± 3.9	12,335* ± 655	43.1 ± 4.1	49† ± 4.2	44.7 ± 3.5
	Median	80.5	120	123	115	100	92	86.5	12,845	38	47	40
	Inter-quartile range	5.8	12.8	31.5	39.0	27.3	15.5	7.5	2198	10.5	9.0	6.5

AUBGC area under the curve of blood glucose from starting to 120 min, s-AMY salivary α-amylase

* P < 0.05 (intragastric vs. control), paired t-test; ^† P < 0.05 (post- vs. pre-loading) and ^# P < 0.05 (60 min vs. post-loading), Wilcoxon signed-rank test; n = 7