TABLE 7.

LOW Vt VERSUS HIGH Vt STRATEGY AND URINE NITRIC OXIDE IN PATIENTS WITH ACUTE LUNG INJURY

	6 ml/kg Vt Group		12 ml/kg Vt Group
Day of Sample	No. of Patients	Median (IQR)	No. of Patients	Median (IQR)
Day 0	290	53 (28–88)	276	46 (26–83)
Day 3	264	71 (41–113)	240	59 (31–103)

Definition of abbreviation: IQR = interquartile range.

t Test comparison of the mean values (log transformed) on Day 0 showed no significant difference between groups (p = 0.58). In contrast, t test comparison on Day 3 of the log-transformed mean values showed borderline significant differences between groups (p = 0.05).