Table 1 Baseline characteristics between two groups in this study
Variables | Control group (n = 138) | SC Group (n = 141) | P |
|---|---|---|---|
Demographics | |||
Sex (male: female, n,%) | 66:72 (47.8%:52.2%) | 60:81 (42.6%:57.4%) | 0.376 |
Age (years, mean ± SD) | 56.1 ± 13.4 | 55.1 ± 13.2 | 0.522 |
BMI (kg/m2, mean ± SD) | 25.6 ± 3.8 | 25.4 ± 3.4 | 0.665 |
Diagnosis (n, %) | 0.379 | ||
Primary OA | 11 (8.0%) | 18 (12.8%) | |
ONFH | 64 (46.4%) | 55 (39.0%) | |
Dysplastic OA | 56 (40.6%) | 63 (44.7%) | |
Others or unspecified | 7 (5.0%) | 5 (3.5%) | |
Direction of primary THA (n, %) | 0.494 | ||
Right | 80 (58.0%) | 76 (53.9%) | |
Left | 58 (42.0%) | 65 (46.1%) | |
Patients’ status | |||
ASA grade (I: II: III, n, %) | 21:111:6 (18.9%:80.4%:0.7%) | 23:108:10 (16.3%:76.6%:7.1%) | 0.595 |
CCI score (mean ± SD) | 1.3 ± 1.1 | 1.1 ± 1.1 | 0.144 |
Comorbidities (yes: no, n, %) Hypertension | 49:89 (35.5%) | 40:101 (28.4%) | 0.201 |
Diabetes mellitus | 9:129 (6.5%) | 11:130 (7.8%) | 0.679 |
Dyslipidemia | 39:99 (28.3%) | 36:105 (25.5%) | 0.607 |
Smoking (yes: no, n, %) | 29:109 (26.6%) | 24:117 (17.0%) | 0.395 |
PBV (mL, mean ± SD) | 4155.5 ± 774.0 | 4141.2 ± 793.5 | 0.879 |
Baseline laboratory findings | |||
Preoperative Hb (g/L, mean ± SD) | 13.9 ± 1.5 | 13.7 ± 1.2 | 0.148 |
Preoperative Hct (%, mean ± SD) | 41.2 ± 4.0 | 41.4 ± 3.6 | 0.585 |
Preoperative platelet (×109 /L, mean ± SD) | 254.5 ± 56.1 | 262.8 ± 58.2 | 0.227 |
Preoperative coagulation index (mean ± SD) | |||
PT (sec) | 10.7 ± 0.7 | 11.3 ± 8.5 | 0.354 |
PT INR (n) | 1.5 ± 4.5 | 1.8 ± 5.6 | 0.666 |
aPTT (sec, n) | 27.3 ± 19.2 | 30.2 ± 35.7 | 0.397 |