Table 1 Demographic data and operative details for patients undergoing hip hemiarthroplasty
Variables | Normal Postoperative Laboratory Test (N = 56) | Abnormal Postoperative Laboratory Test (N = 265) | P value |
|---|---|---|---|
Preoperative variables | |||
 Age | 82.07 ± 4.61 | 81.78 ± 5.73 | 0.80 |
 Sex | 39(F):17(M) | 189(F):76(M) | 0.80 |
 BMI | 24.51 ± 5.62 | 23.97 ± 5.42 | 0.14 |
 ASA | 2.25 ± 0.85 | 2.45 ± 0.88 | 0.1 |
 CCI | 3.03 ± 0.94 | 3.31 ± 1.27 | 0.01* |
 Time from fracture to operation | 2.42 ± 1.04 | 2.55 ± 1.13 | 0.71 |
 Hemoglobin | 132.98 ± 8.07 | 113.89 ± 12.55 | < 0.001* |
 Albumin | 40.18 ± 3.54 | 32.06 ± 3.53 | < 0.001* |
 Serum sodium | 144.65 ± 3.36 | 145.58 ± 5.27 | 0.16 |
 Serum potassium | 4.27 ± 0.41 | 4.32 ± 0.67 | 0.77 |
 Serum calcium | 2.29 ± 0.13 | 2.26 ± 0.21 | 0.26 |
Intraoperative variables | |||
 Operation time | 54.84 ± 7.88 | 54.41 ± 8.01 | 0.75 |
 Blood loss | 95.25 ± 22.99 | 117.26 ± 31.2 | < 0.001* |
 Tranexamic acid use | 49(Yes):7(No) | 126(Yes):139(No) | < 0.001* |
 Drainage tube use | 14(Yes):42(No) | 64(Yes):201(No) | 0.89 |
Postoperative variables | |||
 Hemoglobin | 125.72 ± 6.53 | 104.42 ± 10.49 | < 0.001* |
 Albumin | 32.53 ± 3.88 | 29.71 ± 4.52 | < 0.001* |
 Serum sodium | 142.11 ± 5.45 | 141.56 ± 6.11 | 0.14 |
 Serum potassium | 3.7 ± 0.73 | 3.62 ± 0.84 | 0.35 |
 Serum calcium | 2.28 ± 0.12 | 2.26 ± 0.23 | 0.96 |
Postoperative events | |||
 With intervention | 0 | 24 | 0.02* |
 Transfusion | 0 | 7 |  |
 Intravenous infusion of albumin | 0 | 14 |  |
 Intervention for electrolytic disorders | 0 | 3 |  |
 Length of hospital stay | 8.4 ± 3.12 | 8.91 ± 3.44 | 0.20 |
 90-day ED Visits or Readmissions | 1 | 4 | 0.87 |