Table 3.

Renal function at presentation and during index hospitalization

	ED presentation	Day 1	Day 2	Day 3
	n = 103	n = 83	n = 70	n = 64
Serum BUN (mg/dL)	23.7 [SD ± 14.1]	25.7 [SD ± 16.4]	26.2 [SD ± 14.1]	28.0 [SD ± 16.8]
Serum creatinine (mg/dL)	2.39 [SD ± 4.35]	2.16 [SD ± 2.0]	2.0 [SD ± 1.5]	2.2 [SD ± 1.9]
GFR (mL/min/1.73 m2)	59.5 [SD ± 30.3]	59.2 [SD ± 30.0]	59.0 [SD ± 29.0]	57.2 [SD ± 31.9]

SD standard deviation; BUN blood urea nitrogen; GFR glomerular filtration rate