Table 1 Patient characteristics of all study patients (N = 1,568) and patients with and without AKI
From: Six-month survival and quality of life of intensive care patients with acute kidney injury
Data available (of 1,568) | All patients (N = 1,568) | No AKI patients (N = 933) | AKI patients (N = 635) | |
|---|---|---|---|---|
N (%) or median (IQR) | N (%) or median (IQR) | N (%) or median (IQR) | ||
Age (years) | 1,568 | 65 (53 to 74) | 64 (50 to 73) | 66 (56 to 76) |
Gender (male) | 1,568 | 1015 (64.7) | 583 (62.5) | 432 (68.0) |
Baseline serum/plasma creatinine (μmol/l) | 1,088 | 78 (63 to 95) | 77 (61 to 93) | 79 (65 to 101) |
Co-morbidity | ||||
Chronic obstructive pulmonary disease | 1,560 | 169 (10.8) | 91 (9.8) | 78 (12.3) |
Hypertension | 1,567 | 759 (48.4) | 411 (44.1) | 348 (54.8) |
Arteriosclerosis | 1,554 | 236 (15.1) | 116 (12.6) | 120 (18.9) |
Diabetes | 1,568 | 359 (22.9) | 200 (21.4) | 159 (25.0) |
Systolic heart failure | 1,561 | 219 (14.0) | 115 (12.3) | 104 (16.5) |
Chronic kidney disease | 1,562 | 127 (8.1) | 48 (5.1) | 79 (12.4) |
Admission type | ||||
Emergency | 1,540 | 1,287 (82.1) | 751 (81.9) | 536 (86.0) |
Surgical | 1,568 | 618 (39.4) | 377 (40.4) | 241 (38.0) |
APACHE II Diagnostic group | ||||
Cardiovascular, operative | 355 (22.6) | 208 (22.3) | 147 (23.2) | |
Cardiovascular, non-operative | 231 (14.7) | 121 (13.0) | 110 (17.3) | |
Respiratory tract, non-operative | 184 (11.7) | 115 (12.3) | 69 (10.9) | |
Gastrointestinal tract, operative | 152 (9.7) | 86 (9.2) | 66 (10.4) | |
Metabolic | 133 (8.5) | 93 (10.0) | 40 (6.3) | |
Sepsis | 99 (6.3) | 43 (4.6) | 56 (8.8) | |
Gastrointestinal tract, non-operative | 92 (5.9) | 48 (5.1) | 44 (6.9) | |
Neurological, non-operative | 85 (5.4) | 69 (7.4) | 16 (2.5) | |
Trauma | 70 (4.5) | 52 (5.6) | 18 (2.8) | |
Other (<5% each) | 167 (10.7) | 98 (10.5) | 69 (10.9) | |
Severity and outcome | ||||
SOFA (first 24 hours, points) | 1,568 | 7 (5 to 10) | 6 (4 to 8) | 9 (6 to 11) |
SAPS II score (points) | 1,568 | 36 (27 to 49) | 32 (25 to 43) | 42 (33 to 58) |
Length of ICU stay (days) | 1,568 | 2.8 (1.6 to 5.4) | 2.1 (1.3 to 4.4) | 3.8 (2.0 to 7.1) |
Length of hospital stay (days) | 1,566 | 9 (5 to 17) | 8 (5 to 14) | 11 (5 to 19) |
Six-month mortality | 1,568 | 378 (24.1) | 154 (16.5) | 224 (35.3) |