Table 1.

Comparison of 24-h fast before vs. after resection of insulinoma

	Time	Insulin (μIU/ml)	Glucose, serum (mg/dl)
Preoperative (February 2007)	Baseline, time 0	28.1	91
	End of fast, +23 h	13.6	43
Postoperative (July 2007)	Baseline, time 0	19.4	119
	End of fast, +24 h	4	79

Multiple values were obtained throughout the fast.