Skip to main content
. Author manuscript; available in PMC: 2023 Feb 1.
Published in final edited form as: J Trauma Acute Care Surg. 2022 Feb 1;92(2):255–265. doi: 10.1097/TA.0000000000003453

Table 2:

Urea Change and Nitrogen Balance

EMS Standard
n Median (IQR) n Median (IQR) P-value*
Baseline Urea Nitrogen 20 11.5 (7, 16) 17 9 (7, 10) 0.1191
Day 5 Urea Nitrogen 19 24 (21, 31) 20 11.5 (8.0, 15.5) <0.0001
Urea Nitrogen Change 18 13.5 (9.0, 17.0) 16 3.5 (1.0, 7.0) 0.0031
Baseline Total Nitrogen Balance 18 −0.5 (−7.2, 1.4) 17 −11.3 (−12.8, −5.8) 0.0006
Day 5 Total Nitrogen Balance 19 −16.3 (−26.6, −8.5) 18 −5.3 (−14, 0.56) 0.0276
Total Nitrogen Balance Change 17 −15.6 (−24, −10.5) 15 5.8 (−1, 10.3) 0.0004
*

Wilcoxon rank sum test.