Table 1.

Fludrocortisone administration.

Participant	Time	Blood pressure (mm Hg)	Weight (lbs.)	Serum Na (mEq/l)	Serum K (mEq/l)	BUN (mg/dl)	Serum creatinine (mg/dl)	Serum uric acid (mg/dl)	Fractional excretion urate (%)	Urine volume (ml)	Urine Na (mEq/24h)
AIII2	− 11 weeks	87/50		137	5.0	49	1.3	3.2		1,825	69
	− 1 week		87.6	137	5.6	62	1.6	5.2		2,275
	1 week	106/69	90	142	4.2	26	1.1	6.1	5.1	2,450	72
	6 weeks	112/67		143	4.3	31	1.0	7.0	3.9	2,675	70
	4 months			143	4.5	27	1.1	6.4
	7 months			142	4.3	28	1.2	6.7
AII6	0	130/78	201.4	138	4.7	42	1.9	6.1	3.3	3,150	91
	Day 3	118/88	201.6	139	4.3	43	2.0	5.9	4.4	3,450	98
	Day 7	115/81	201.2	140	4.4	42	1.9	6.3	4.2	2,800	81
	Day 8	152/101	203							4,650
BII4	0	126/84	206	144	5.2	28	1.6	7.5	4.8	1,825	106
	Day 3	117/85	204.9	143	3.9	29	1.8	8.2	4.8	1,750	103
	Day 7	95/70	204.5	144	4.8	30	1.7	9	4.4	1,700	77
	Day 8	122/86	206.4							1,800