Table 1 Demographic and intraoperative data of the study population
Variable | Transfusion (n = 113) | Non-transfusion (n = 218) | P value |
|---|---|---|---|
Female, n (%) | 20 (17.7%) | 21 (9.6%) | 0.035 |
Age at THA, years (median, IQR) | 40 (31–53) | 40 (31–51) | 0.761 |
BMI, kg/m2 (median, IQR) | 22.0 (18.7–25.4) | 23.9 (21.1–26.6) | 0.006 |
Disease duration, years (median, IQR) | 16 (11–25) | 15 (10–25) | 0.110 |
Preoperative BASDAI (median, IQR) | 3.7 (3.0–5.3) | 3.9 (3.1–5.1) | 0.661 |
Preoperative BASFI (median, IQR) | 5.4 (4.5–6.2) | 5.4 (4.3–6.4) | 0.420 |
Preoperative Harris score (median, IQR) | 39 (30–46) | 32 (39–45) | 0.926 |
ASA score ≤ 2, n (%) | 104 (92.0%) | 196 (89.9%) | 0.529 |
Ankylosing hip, n (%) | 52 (46.0%) | 60 (27.5%) | < 0.001 |
Perioperative TXA use, n (%) | 41 (36.3%) | 192 (88.1%) | < 0.001 |
General anesthesia, n (%) | 90 (79.6%) | 159 (72.9%) | 0.180 |
Operative duration, minutes (median, IQR) | 90 (80–120) | 78 (60–90) | < 0.001 |
Estimated intraoperative blood loss, mL (median, IQR) | 600 (500–1000) | 400 (200–500) | < 0.001 |
Intraoperative autogenic transfusion volume, mL (median, IQR) | 240 (200–400) | 100 (0–200) | < 0.001 |
Postoperative drainage volume, mL (median, IQR) | 230 (50–400) | 30 (0–200) | < 0.001 |