Table 2 Summary description of clinical features of patients by etiology of sARF
Clinical feature | Total (n = 240) | Prerenal (n = 36) | Renal (n = 203) | p value |
|---|---|---|---|---|
Median age (IQR; years) | 66 (53–74) | 60 (48–71) | 67 (54–75) | 0.08 |
Male sex (%) | 139 (58) | 17 (47) | 122 (60) | NS |
Mean Charlson co-morbidity index (±SD) | 6.2 (3.6) | 6.7 (3.9) | 6.1 (3.6) | NS |
Mean APACHE II score (±SD) | 33 (8.6) | 33 (7.0) | 33 (8.9) | NS |
Oliguria (%) | 183 (77) | 33 (92) | 150 (74) | 0.02 |
Hypotension (%) | 204 (85) | 27 (75) | 177 (87) | 0.07 |
Vasopressors (%) | 185 (77) | 25 (69) | 160 (79) | NS |
Shock (%) | 178 (74) | 23 (64) | 155 (76) | NS |
Sepsis syndrome (%) | 167 (70) | 23 (64) | 144 (71) | NS |
Bloodstream infection (%) | 50 (21) | 5 (14) | 45 (22) | NS |
Mean arterial pH (±SD)a | 7.26 (0.14) | 7.18 (0.15) | 7.27 (0.13) | <0.001 |
Mean serum potassium (±SD) (mmol/l)a | 4.8 (1.1) | 4.9 (1.3) | 4.7 (1.1) | NS |
Median serum creatinine (IQR; μmol/l)a | 405 (265–515) | 357 (247–514) | 413 (269–517) | NS |
Median serum urea (IQR; mmol/l)a | 24 (16–33) | 24 (16–33) | 25 (16–33) | NS |
Mechanical ventilation (%) | 174 (73) | 19 (53) | 155 (76) | <0.01 |
Acute respiratory distress syndrome (%) | 91 (41) | 14 (39) | 85 (42) | NS |
Cardiac arrest (%) | 43 (18) | 6 (17) | 37 (18) | NS |