Table 2.

Normalized mean ghrelin levels (as percentage of baseline) by four different assays

Time interval	Assay	Geometric mean for normalized ghrelin (%)	Lower 95% confidence limit	Upper 95% confidence limit
0900–1200 h	Active RIA	72.3	66.4	78.8
	Total RIA	82.9	76.1	90.3
	Acyl sandwich	57.0	52.3	62.1
	Des-acyl sandwich	66.3	60.8	72.2
1200–1500 h	Active RIA	86.7	79.5	94.7
	Total RIA	101.9	93.4	111.3
	Acyl sandwich	105.8	96.9	115.5
	Des-acyl sandwich	112.9	103.4	123.2

First and second 3-h intervals after the carbohydrate beverage are shown.