Table 3 Biochemistry results. Initial Na, nadir Na, initial osmolality, urea and creatinine are presented as median (IQR)
Fluid balance | Whole group | Hypovolaemic | Euvolaemic | Hypervolaemic | Fluid status not documented |
|---|---|---|---|---|---|
N (%) | 152 (100) | 25 (16.4) | 70 (46.1) | 35 (23) | 22 (14.5) |
Initial serum Na (mmol/L) | 124 (121–125) | 123 (120.5–125) | 123.5 (119.75–125) | 124 (121–125) | 124 (121.75–125) |
Nadir serum Na (mmol/L) | 123 (121–125) | 123 (120.5–125) | 123 (119–125) | 123 (119–125) | 124 (121.8–125) |
Initial serum Osm (mOsm/kg) | 261 (254–268) | 264 (255.5–273.8) | 259 (252–263) | 264 (255–274) | 257.5 (255.3–266.8) |
Initial Urea (mmol/L) | 5.6 (3.7–10.1) | 7.2 (5.23–12.2) | 4.4 (3.1–6.2) | 9.1 (5–16.2) | 4.4 (3.2–10.3) |
Initial Creatinine (μmol/L) | 73.5 (56.3–227) | 89 (63.5–152) | 67.5 (51.5–90.5) | 112 (68–244) | 64.5 (52.5–108.25) |
Urine Na (mmol/L) | 35 (22–70.75) | 23.5 (15.75–27.5) | 45 (31.5–74) | 25.5 (21.25–71) | 32.5 (27.25–37.75) |
Urine Osm (mOsm/kg) | 310 (205.5–426) | 233.5 (204–357.25) | 330.5 (234.25–500.75) | 276.5 (209–389.75) | 223 (116.75–280.25) |