Research Article
Comparison of the Effect of Different Local Analgesia Administration Techniques in Total Hip Arthroplasty: A Retrospective Comparative Cohort Study
Table 6
Comparison of laboratory data on POD 7 among the three groups.
| | Laboratory data | POD 7 | | Control group | PAI group | IAI group | value | 95% confidence interval | | (N = 113) | (N = 87) | (N = 81) |
| | WBC (/μL) | 5491.2 ± 1274.9 | 6464.4 ± 1726.4 | 6221.0 ± 1737.5 | C versus P: <0.0001 | 400.0–1400.0 | | C versus I: 0.0011 | 300.0–1200.0 | | P versus I: 0.7549 | −800.0–400.0 |
| | AST (U/L) | 25.4 ± 11.8 | 21 ± 12.8 | 22.6 ± 10.9 | C versus P: <0.0001 | −6.0–2.0 | | C versus I: 0.0206 | −4.0–0 | | P versus I: 0.0647 | 0–4.0 |
| | ALT (U/L) | 30.5 ± 21.8 | 26.4 ± 23.3 | 29.5 ± 21.4 | C versus P: 0.1795 | −6.0–1.0 | | C versus I: 0.9966 | −4.0–4.0 | | P versus I: 0.1624 | −1.0–6.0 |
| | CK (U/L) | 101.2 ± 59.0 | 66.0 ± 36.8 | 80.8 ± 59.5 | C versus P: <0.0001 | −42.0–15.0 | | C versus I: 0.0042 | −33.0–5.0 | | P versus I: 0.1552 | −2.0–20.0 |
| | BUN (mg/dL) | 14.9 ± 4.0 | 16.3 ± 4.4 | 18.1 ± 5.8 | C versus P: 0.0247 | 0.1–2.7 | | C versus I: <0.0001 | 1.3–3.9 | | P versus I: 0.1161 | −0.2–2.7 |
| | Cr (mg/dL) | 0.65 ± 0.16 | 0.61 ± 0.16 | 0.61 ± 0.16 | C versus P: 0.0719 | −0.08–0 | | C versus I: 0.2520 | −0.07–0.01 | | P versus I: 0.9540 | −0.04–0.05 |
| | CRP (mg/dL) | 2.2 ± 1.7 | 0.6 ± 1.1 | 0.5 ± 0.6 | C versus P: <0.0001 | −1.58–1.06 | | C versus I: <0.0001 | −1.62–1.11 | | P versus I: 0.8720 | −0.11–0.07 |
| | D-dimer (μg/mL) | 6.3 ± 2.1 | 3.9 ± 1.8 | 3.5 ± 1.3 | C versus P: <0.0001 | −2.88–1.78 | | C versus I: <0.0001 | −3.13–2.06 | | P versus I: 0.4233 | −0.76–0.23 |
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Values are expressed as mean ± standard deviation. PAI and P, periarticular injection; IAI and I, intra-articular injection; C, control; POD, postoperative day; WBC, white blood cell count; AST, aspartate transaminase; ALT, alanine aminotransferase; CK, creatine phosphokinase; BUN, blood urea nitrogen; Cr, creatinine; CRP, C-reactive protein.
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