Table 4 Baseline clinical features of the study population
From: Validation of pre-operative risk scores of contrast-induced acute kidney injury in a Chinese cohort
Variable | All patients (n = 2669) | CI-AKI1 (n = 178) | Non-CI-AKI1 (n = 2491) | CI-AKI2 (n = 39) | Non-CI-AKI2 (n = 2630) | CI-AKI3 (n = 18) | Non-CI-AKI3 (n = 2651) |
|---|---|---|---|---|---|---|---|
Age (years) | 63.31 ± 10.21 | 63.53 ± 9.38 | 63.29 ± 10.27 | 64.49 ± 9.35 | 63.29 ± 10.23 | 69.38 ± 8.05* | 63.27 ± 10.21 |
Female sex | 926 (34.75%) | 47 (26.40%)* | 879 (35.29%) | 10 (25.64%) | 916 (34.83%) | 6 (33.33%) | 920 (34.70%) |
Weight (kg) | 64.46 ± 11.25 | 63.38 ± 10.78 | 64.54 ± 11.28 | 63.44 ± 11.85 | 64.48 ± 11.24 | 64.84 ± 14.99 | 64.46 ± 11.22 |
Diabetes (%) | 1045 (39.15%) | 68 (38.20%) | 977 (39.22%) | 17 (43.59%) | 1028 (39.08%) | 9 (50.00%) | 1036 (39.08%) |
Hypertension (%) | 1467 (54.96%) | 97 (54.49%) | 1370 (55.00%) | 20 (51.28%) | 1447 (55.02%) | 7 (38.89%) | 1460 (55.07%) |
Previous PCI (%) | 119 (4.46%) | 5 (2.81%) | 114 (4.58%) | 2 (5.13%) | 117 (4.45%) | 1 (5.56%) | 118 (4.45%) |
Baseline Scr (μmol/L) | 85.93 ± 42.25 | 75.38 ± 57.39* | 86.68 ± 40.86 | 97.92 ± 114.24 | 85.75 ± 40.26 | 156.56 ± 149.07* | 85.45 ± 40.25 |
Increased Scr (μmol/L) | 83.14 ± 41.94 | 104.11 ± 73.39* | 81.65 ± 38.31 | 149.54 ± 140.09* | 82.16 ± 37.88 | 229.28 ± 176.18* | 82.15 ± 37.76 |
eGFR (mL/min/1.73 m2) | 87.24 ± 35.12 | 113.42 ± 52.27* | 85.36 ± 32.79 | 117.78 ± 73.29* | 86.78 ± 34.06 | 55.31 ± 26.81* | 87.45 ± 35.07 |
CrCl (mL/minute) | 74.28 ± 27.01 | 90.49 ± 37.21* | 73.12 ± 25.75 | 93.53 ± 56.38* | 73.99 ± 26.25 | 47.33 ± 23.61* | 74.46 ± 26.94 |
HDL (mmol/L) | 1.17 ± 0.28 | 1.17 ± .287 | 1.17 ± 0.28 | 1.17 ± 0.29 | 1.17 ± 0.28 | 1.14 ± 0.29 | 1.17 ± 0.28 |
LVEF (%) | 56.64 ± 16.95 | 55.14 ± 17.49 | 56.75 ± 16.90 | 55.18 ± 14.94 | 56.66 ± 16.98 | 53.06 ± 18.64 | 56.66 ± 16.93 |
Myocardial infarction (%) | 652 (24.43%) | 43 (24.16%) | 609 (24.45%) | 12 (30.77%) | 640 (24.33%) | 6 (33.33%) | 646 (24.37%) |
Hypotension (%) | 139 (5.21%) | 15 (8.43%)* | 124 (4.98%) | 3 (7.69%) | 136 (5.17%) | 2 (11.11%) | 137 (5.17%) |
Anemia (%) | 817 (30.61%) | 70 (39.33%)* | 747 (29.99%) | 11 (28.21%) | 806 (30.65%) | 6 (33.33%) | 811 (30.59%) |
Urgent PCI (%) | 13 (0.49%) | 0 (0.00%) | 13 (0.52%) | 0 (0.00%) | 13 (0.49%) | 0 | 13 (0.49%) |
Shock (%) | 20 (0.75%) | 1 (0.56%) | 19 (0.76%) | 1 (2.56%) | 19 (0.72%) | 1 (5.56%) | 19 (0.72%) |
CHF (%) | 306 (11.46%) | 26 (14.61%) | 280 (11.24%) | 5 (12.82%) | 301 (11.44%) | 3 (16.67%) | 303 (11.43%) |
IABP (%) | 13 (0.49%) | 1 (0.56%) | 12 (0.48%) | 0 (0.00%) | 13 (0.49%) | 0 | 13 (0.49%) |
Multivessel PCI (%) | 203 (7.60%) | 9 (5.06%) | 194 (7.79%) | 2 (5.13%) | 201 (7.64%) | 2 (11.11%) | 201 (7.58%) |
ACS (%) | 929 (34.81%) | 61 (34.27%) | 868 (34.85%) | 16 (41.03%) | 913 (34.71%) | 5 (27.78%) | 924 (34.85%) |
Previous procedure (%) | 231 (8.65%) | 16 (8.99%) | 215 (8.63%) | 2 (5.13%) | 229 (8.70%) | 0 | 231 (8.71%) |