Table 2.

An evaluation of the patient’s insulin secretion ability

(a) Glucagon stimulation test
Time (minutes)	0	6
PG (pg/mL)	112	122
CP (ng/mL)	3.2	3.6
(b) Urinary C-peptide excretion
Day 18 (after admission)	Day 19	Normal range
42.8 μg/day	51.5 μg/day	(40–100)

CP C-peptide, PG plasma glucose