Table 2.

Comparison of urine output between groups (median, interquartile range).

	Manual	RenalGuard	p value
Absolute urine output (mL)
First 24 hours	3006 (2263–4188)	4054 (3682–7363)	0.01
Second 24 hours	4228 (3246–7655)	4311 (3173–11263)	0.58
Observation period (48 hours)	7228 (6044–9454)	7834 (7103–20259)	0.22
Urine output (mL/kg/h)
First 24 hours	1.6 (1.2–2.2)	2.6 (1.7–4.4)	0.03
Second 24 hours	2.4 (1.9–2.8)	2.3 (1.6–6.7)	0.88
Observation period (48 hours)	1.9 (1.7–2.6)	2.3 (1.7–6.0)	0.41