Table II.

Urine measurements.

	At diagnosis			After water deprivation			After administration of DDAVP
Patient	UV (ml)	SG	Usom (mOsm/l)	UV (ml)	SG	Usom (mOsm/l)	UV (ml)	SG	Usom (mOsm/l)
1	10,000	DL	DL	8,000	1.007	268	DL	1.017	470
2	8,000	1.007	300	11,000	1.007	200	2,400	1.017	610

DL, data lost; DDAVP, vasopressin; UV, urine volume; SG, specific gravity; Usom, urine osmotic pressure.