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Table 2 Correlative parameters’ effect on SSI based on univariate logistic regression analysis

From: Nomogram prediction of surgical site infection of HIV-infected patients following orthopedic surgery: a retrospective study

Characteristics SSI
OR 95% CI P
Sex Male 98 1   0.999
Female 3 0.000 0.000–0.000
Age ≤65 91 1   0.652
> 65 10 0.611 0.072–5.210
Basic disease Yes 68 1   0.046*
No 33 0.121 0.015–0.960
Surgical methods Microsurgery 78 1   0.140
Open surgery 23 0.208 0.026–1.673
Operation time 1–2 h 47 1   
2–3 h 21 3.750 0.577–24.351 0.166
≥3 h 33 9.783 1.977–48.412 0.005*
CD4 Low 54 1   0.035*
High 47 0.239 0.063–0.906
HIVRNA Low 78 1   0.296
High 23 1.889 0.573–6.225
Creatinine Low 54 1   0.583
High 47 0.732 0.240–2.234
CRP Low 78 1   0.001*
High 23 7.714 2.368–25.131
Albumin Low 56 1   0.347
High 45 0.575 0.181–1.823
Globulin Low 52 1   0.339
High 49 1.725 0.565–5.269
ESR Low 67 1   0.000*
High 34 11.636 3.002–45.098
PCT Low 85 1   0.000*
High 16 44.550 10.368–191.417
D-dimmer Low 81 1   0.008*
High 20 4.913 1.520–15.887
  1. OR odds ratio, 95% CI 95% confidence interval. * P < 0.05