Research Article
The Incidence and Risk Factors of Acute Kidney Disease after Total Knee Arthroplasty with Early Postoperative Volume Supplement
Table 3
Risk factors associated with postoperative AKD after early volume replacement.
| Continuous variable | AKD | Non-AKD ( = 443) | Logistic regression | ( = 15) | Univariate | Multivariate | Odds ratio | P value | Odds ratio | 95% CI | P value |
| Age (years) | 75.33±7.02 | 70.35±6.84 | 1.12 | .006 | 1.09 | 1.008-1.187 | .031 | BMI (kg/m2) | 28.48±5.16 | 28.29±4.63 | 1.01 | .875 | | | | Preop. Cr (mg/dL) | 0.80±0.28 | 0.86±0.31 | 0.53 | .521 | | | | Preop. eGFR (mL/min/1.73m2) | 83.40±36.41 | 77.60±24.21 | 1.01 | .369 | | | | Preop. Hb (g/dL) | 12.38±1.50 | 12.87±1.32 | 0.76 | .157 | | | | OP time (min) | 87.60±15.82 | 87.56±15.64 | 1.00 | .993 | | | | Length of stay (days) | 3.8±0.94 | 3.40±0.69 | 1.79 | .036 | | | | Estimated blood loss (mL) | 851.50±381.35 | 885.04±325.93 | 1.00 | .696 | | | |
| Nominal variable | | | | | | | |
| Gender (M/F) | | | | | | | | Female | 13 | 364 | 0.72 | .667 | | | | Male | 2 | 79 | | | | | | ASA | | | 0.52 | .197 | | | | 1 | | 7 | | | | | | 2 | 7 | 272 | | | | | | 3 | 8 | 163 | | | | | | 4 | | 1 | | | | | | Anesthesia | | | | | | | | Spinal | 2 | 104 | 1.99 | .369 | | | | General | 13 | 339 | | | | | | CKD | | | | | | | | Yes | 4 | 99 | 1.26 | .694 | | | | No | 11 | 344 | | | | | | Diabetes | | | | | | | | Yes | 6 | 129 | 1.62 | .368 | | | | No | 9 | 314 | | | | | | Hypertension | | | | | | | | Yes | 11 | 317 | 1.09 | .881 | | | | No | 4 | 126 | | | | | | CAD | | | | | | | | Yes | 5 | 38 | 5.33 | .004 | 3.63 | 1.102-11.935 | .034 | No | 10 | 405 | | | | | | Transfusion rate | | | | | | | | Yes | 3 | 36 | 2.83 | .120 | | | | No | 12 | 407 | | | | | |
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Preop.: preoperative. Cr: creatinine. eGFR: estimated glomerular filtration rate. Hb: hemoglobin. OP time: operative time. CKD: chronic kidney disease; AKD: acute kidney disease. CAD: coronary artery disease. |