Table 1 Demographical characteristics
Total ( n = 703) | Patients without acute kidney injury a ( n = 581) | Patients with acute kidney injury a ( n = 122) | P -value (acute kidney injury a versus no acute kidney injury a ) | |
|---|---|---|---|---|
Age (years) | < 0.0001 | |||
60 | 240 (34.1%) | 224 (38.6%) | 16 (13.1%) | |
> 60–70 | 176 (25.0%) | 138 (23.8%) | 38 (31.1%) | |
> 70–80 | 160 (22.8%) | 128 (22.0%) | 32 (26.2%) | |
> 80 | 127 (18.1%) | 91 (15.7%) | 36 (29.5%) | |
Female | 384 (54.6%) | 319 (54.9%) | 65 (53.3%) | 0.74 |
Active smoking | 144 (21.1%) | 109 (19.3%) | 35 (29.7%) | 0.01 |
Missing | 20 (2.8%) | 16 (2.8%) | 4 (3.3%) | |
Excessive alcohol use b | 71 (10.1%) | 59 (10.2%) | 12 (9.8%) | 0.92 |
ASA c | 0.004 | |||
I-II | 464 (70.9%) | 397 (73.2%) | 67 (59.8%) | |
≥ III | 190 (29.1%) | 145 (26.8%) | 45 (40.2%) | |
Missing | 49 (7.0%) | 39 (6.7%) | 10 (8.2%) | |
Performance score | 0.03 | |||
0 | 487 (72.0%) | 412 (74.2%) | 75 (62.0%) | |
1 | 143 (21.2%) | 108 (19.5%) | 35 (28.9%) | |
≥ 2 | 46 (6.8%) | 35 (6.3%) | 11 (9.1%) | |
Missing | 27 (3.8%) | 26 (4.5%) | 1 (0.8%) | |
qSOFA d | 0.02 | |||
0 | 258 (43.3%) | 227 (45.6%) | 31 (31.6%) | |
1 | 284 (47.7%) | 231 (46.4%) | 53 (54.1%) | |
≥ 2 | 54 (9.1%) | 40 (8.0%) | 14 (14.3%) | |
Missing | 107 (15.2%) | 83 (14.3%) | 24 (19.7%) | |
Chronic Kidney Disease | 30 (4.3%) | 25 (4.3%) | 5 (4.1%) | 0.92 |
Hypertension | 314 (44.7%) | 228 (39.2%) | 86 (70.5%) | < 0.0001 |
Diabetes | 74 (10.5%) | 53 (9.1%) | 21 (17.2%) | 0.008 |
Ischaemic Heart Disease | 72 (10.2%) | 55 (9.5%) | 17 (13.9%) | 0.14 |
Heart Failure | 34 (4.8%) | 26 (4.5%) | 8 (6.6%) | 0.33 |
COPD f | 104 (14.8%) | 85 (14.6%) | 19 (15.6%) | 0.79 |
Cerebrovascular Disease | 53 (7.5%) | 44 (7.6%) | 9 (7.4%) | 0.94 |
Charlson Comorbidity Index | < 0.0001 | |||
0 | 324 (46.1%) | 279 (48.0%) | 45 (36.9%) | |
1–2 | 270 (38.4%) | 226 (38.9%) | 44 (36.1%) | |
> 2 | 109 (15.5%) | 76 (13.1%) | 33 (27%) |