Table 3 Demographic characteristics for propensity-matched patients
Characteristic | Control group | Treatment group | SMD |
|---|---|---|---|
Number of patients | 314 | 314 | Â |
Age (years) | 68 (14) | 68 (14) | 0.006 |
Male sex | 33 (47) | 33 (47) | < 0.001 |
Height (cm) | 163 (9) | 163 (9) | 0.012 |
Body weight (kg) | 59 (14) | 60 (14) | 0.048 |
ICU admission route | |||
 OR (elective) | 118 (37.6) | 109 (34.7) | 0.06 |
 OR (emergency) | 40 (12.7) | 46 (14.6) | 0.056 |
 Emergency department | 70 (22.3) | 64 (20.4) | 0.047 |
 Ward | 77 (24.5) | 84 (26.8) | 0.051 |
 Other hospital | 9 (2.9) | 11 (3.5) | 0.036 |
Comorbidity | |||
 Hematologic disease | 19 (6.1) | 16 (5.1) | 0.042 |
 Metastatic cancer | 9 (2.9) | 10 (3.2) | 0.019 |
 Immunosuppression | 36 (11.5) | 31 (9.9) | 0.052 |
 Liver failure | 12 (3.8) | 12 (3.8) | < 0.001 |
Primary damaged organ | |||
 Cardiovascular | 129 (41.1) | 125 (39.8) | 0.026 |
 Respiratory | 57 (18.2) | 53 (16.9) | 0.034 |
 Digestive | 46 (14.6) | 51 (16.2) | 0.044 |
 Neurologic | 57 (18.2) | 60 (19.1) | 0.025 |
 Other | 25 (8.0) | 25 (8.0) | < 0.001 |
Infection at ICU admission | 53 (16.9) | 50 (15.9) | 0.026 |
NPPV | 35 (11.1) | 37 (11.8) | 0.020 |
MV duration (h) (n = 165) | 73.9 (15.0) | 53.0 (9.5) | 0.069 |
APACHE II score | 19 (7) | 19 (7) | 0.006 |
Serum creatinine (μmol/L) | |||
 Baseline | 92 (74.3) | 91 (46.9) | 0.012 |
 ICU admission | 150 (172.4) | 137 (99.9) | 0.092 |
 AKI diagnosis | 149 (158.2) | 148 (99.9) | 0.007 |
AKI stage at diagnosis | |||
 Stage 1 | 258 (82.2) | 250 (79.6) | 0.064 |
 Stage 2 | 29 (9.2) | 37 (11.8) | 0.083 |
 Stage 3 | 27 (8.6) | 27 (8.6) | < 0.001 |
ICU-AKI (h) | 14.9 (0.7) | 13.9 (0.7) | 0.063 |