Table 1. Characteristics of 627 Who Patients Underwent Total Knee Replacement According to Incidence of Acute Kidney Injurya.
| Characteristic | AKI (n = 137), No. (%) | No AKI (n = 490), No. (%) | P Value |
|---|---|---|---|
| Age, mean ± SD | 71.1 ± 10.2 | 66.1 ± 10.2 | < 0.001 |
| Sex | NS | ||
| Female | 85 (20.3) | 334 (79.7) | |
| Male | 52 (25.0) | 156 (75.0) | |
| Year | 0.002 | ||
| 2008 | 79 (27.3) | 210 (72.7) | |
| 2009 | 58 (17.2) | 280 (82.8) | |
| DM | 0.031 | ||
| Yes | 43 (28.1) | 110 (71.9) | |
| No | 94 (19.8) | 380 (80.2) | |
| ACEI/ARB use b | 0.028 | ||
| Any | 55 (27.0) | 149 (73.0) | |
| None | 81 (19.2) | 340 (80.0) |
a Abbreviations: AKI, acute kidney injury; NS, nonsignificant; DM, diabetes mellitus; ACEI, angiotensin converting enzyme inhibitors; ARB, angiotensin receptor blocker.
b Patients with unknown ACEI exposure (one with AKI, one without AKI) were excluded.