Table 1.

Variables examined as potential predictors of AKI after TJA.

Preoperative variables	Intraoperative variables	Postoperative variables
1. BMI	1. Type of anesthesia	1. Postoperative Hb difference
2. SCr	2. Unilateral or bilateral	2. NSAID use
3. Smoking status	3. Duration of surgery	3. LOS
4. ASA score	4. EBL	4. Hospital charges
5. NSAID use
6. ACE-I use
7. ARB use
8. Diuretic use

ACE-I, angiotensin-converting enzyme inhibitor; ARB, angiotensin receptor blocker; LOS, length of stay.