Table 2.

Clinical parameters and mutational analysis of the NDI family

	II-3	III-2	IV-5	IV-4
AVPR2 genotype	302delC/-	302delC/-	302delC/-	302delC/-
Age (years) when test was done	66	31	6	2
Serum Na (mEq/L)	140	139	136	135
Plasma AVP (pg/mL)	40.5	36.1	19.4	17.6
Serum osmolality (mOsm/L)	320	314	305	302
Polyuria/Nocturia	+/+	+/+	+/+	+/+