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Table 2
Intraoperative and postoperative clinical and radiological data of both groups.
| Operative and radiological data | STAR group | DSA group | p | |
|---|---|---|---|---|
| Incision length (cm)* | 9.02 ± 1.47 (7–14) | 9.15 ± 1.32 (8–14) | 0.042@ | |
| Operation time (min)* | 60.4 ± 12.54 (40–95) | 59.35 ± 13.37 (45–95) | 0.113@ | |
| Estimated intraoperative blood loss (mL)* | 177.05 ± 77.75 (40–360) | 191.2 ± 80.86 (50–450) | 0.085@ | |
| Blood transfusion** | Yes | 29 (14.5) | 38 (19) | 0.228# |
| No | 171 (85.5) | 162 (81) | ||
| Hospital stay (days)* | 2.35 ± 0.56 (2–4) | 2.53 ± 0.64 (2–4) | 0.002@ | |
| Discharge** | Home | 181 (90.5) | 184 (92) | 0.596# |
| Rehabilitation | 19 (9.5) | 16 (8) | ||
| Cup type*** | Trident | 91 | 92 | 0.077# |
| Pinnacle | 72 | 55 | ||
| RM | 37 | 53 | ||
| Acetabular cup diameter* | 51.46 ± 1.87 | 50.53 ± 3.14 (46–58) | <0.001@ | |
| Screws for cup fixation* | 1.6 ± 0.49 (1–2) | 1.54 ± 0.81 (0–3) | 0.141@ | |
| Bearing type** | MoP | 26 (13) | 36 (18) | 0.167# |
| CoP | 174 (87) | 164 (82) | ||
| Head diameter (mm)** | 32 | 19 (9.5) | 85 (42.5) | <0.001@ |
| 36 | 181 (90.5) | 115 (57.5) | ||
| Cup orientation* | Inclination | 44.35 ± 3.15 (34–50) | 44.15 ± 3.35 (31–49) | 0.743@ |
| Stem coronal alignment** | Neutral | 196 (98) | 194 (97) | 0.522# |
| Varus | 4 (2) | 6 (3) | ||
| Valgus | 0 (0) | 0 (0) | ||
MoP (Metal on Polyethylene), CoP (Ceramic on Polyethylene).
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