Research Article
Incidence, Risk Factors, and Nomogram of Transfusion and Associated Complications in Nonfracture Patients following Total Hip Arthroplasty
Table 1
Univariate analysis of blood transfusion in nonfracture patients after total hip arthroplasty.
| | Total () | Transfusion () | Nontransfusion () | |
| | Age, years | | | | 0.716 | | Gender (male) | 942 (57.6) | 106 (11.3) | 836 (88.7) | <0.001 | | Height, cm | | | | <0.001 | | Weight, kg | | | | <0.001 | | BMI, kg/㎡ | | | | <0.001 | | Blood type | | | | 0.236 | | A | 519 (31.7) | 70 (13.5) | 449 (86.5) | | | B | 515 (31.5) | 84 (16.3) | 431 (83.7) | | | O | 439 (26.9) | 80 (18.2) | 359 (81.8) | | | AB | 162 (9.9) | 24 (14.8) | 138 (85.2) | | | Smoking | 413 (25.3) | 29 (7.0) | 384 (93.0) | <0.001 | | Alcoholism | 438 (26.8) | 42 (9.6) | 396 (90.4) | <0.001 | | CCI | | | | 0.174 | | Indications | | | | 0.041 | | ANFH | 1282 (78.4) | 189 (14.7) | 1093 (85.3) | | | OA | 162 (9.9) | 28 (17.3) | 134 (82.7) | | | RA | 8 (0.5) | 3 (37.5) | 5 (62.5) | | | AS | 9 (0.6) | 4 (44.4) | 5 (55.6) | | | DDH | 169 (10.3) | 33 (19.5) | 136 (80.5) | | | Others | 5 (0.3) | 1 (20.0) | 4 (80.0) | | | Anesthesia | | | | 0.007 | | General | 731 (44.7) | 135 (18.5) | 596 (81.5) | | | Nongeneral | 904 (55.3) | 123 (13.6) | 781 (86.4) | | | Operation time, min | | | | <0.001 | | Procedures | | | | <0.001 | | Unilateral | 1518 (92.8) | 206 (13.6) | 1312 (86.4) | | | Bilateral | 117 (7.2) | 52 (44.4) | 65 (55.6) | | | Approach | | | | 0.903 | | Anterior | 17 (1.0) | 2 (11.8) | 15 (88.2) | | | Posterior | 1618 (99.0) | 256 (15.8) | 1362 (84.2) | | | Estimated blood loss, ml | | | | <0.001 | | Drainage use | 342 (20.9) | 45 (13.2) | 297 (86.8) | 0.135 | | TXA use | 604 (36.9) | 76 (12.6) | 528 (87.4) | 0.007 | | Comorbidities | | | | | | Hypertension | 432 (26.4) | 65 (15.0) | 367 (85.0) | 0.626 | | Diabetes | 116 (7.1) | 21 (18.1) | 95 (81.9) | 0.476 | | Coronary heart disease | 91 (5.6) | 22 (24.2) | 69 (75.8) | 0.024 | | Cerebrovascular diseases | 75 (4.6) | 11 (14.7) | 64 (85.3) | 0.787 | | Arrhythmia | 17 (1.0) | 5 (29.4) | 12 (70.6) | 0.224 | | Respiratory diseases | 69 (4.2) | 12 (17.4) | 57 (82.6) | 0.708 | | Digestive diseases | 98 (6.0) | 16 (16.3) | 82 (83.7) | 0.878 | | Urinary diseases | 35 (2.1) | 5 (14.3) | 30 (85.7) | 0.806 | | Mental diseases | 15 (0.9) | 2 (13.3) | 13 (86.7) | 1.000 | | Fibroid | 28 (1.7) | 2 (7.1) | 26 (92.9) | 0.206 | | Preoperative Hb, g/L | | | | <0.001 | | Preoperative HCT, % | | | | <0.001 | | Preoperative RDW, % | | | | 0.021 | | Preoperative WBC, n/L | | | | <0.001 | | Preoperative PLT, n/L | | | | 0.117 | | Preoperative RET, % | | | | <0.001 |
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BMI: body mass index; CCI: Charlson comorbidity index; ANFH: avascular necrosis of femoral head; OA: osteoarthritis; RA: rheumatoid arthritis; AS: ankylosing spondylitis; DDH: developmental dysplasia of the hip; TXA: tranexamic acid; Hb: hemoglobin; HCT: hematocrit; RDW: red cell distribution width; WBC: white blood cell; PLT: platelet; RET: reticulocyte.
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