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Table 1 The association between clinical and pathological characteristics and SSI

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

Characteristics SSI P-value
No (n = 86) Yes (n = 15)
Sex    0.463
 Male 83 (96.5%) 15 (100.0%)  
 Female 3 (3.5%) 0 (0.0%)  
 Age 42.9 ± 14.1 39.7 ± 12.5 0.406
Basic disease    0.020*
 Yes 54 (62.8%) 14 (93.3%)  
 No 32 (37.2%) 1 (6.7%)  
Surgical methods    0.107
 Microsurgery 64 (74.4%) 14 (93.3%)  
 Open surgery 22 (25.6%) 1 (6.7%)  
Operation time    0.005*
 1–2 h 45 (52.3%) 2 (13.3%)  
 2–3 h 18 (20.9%) 3 (20.0%)  
 ≥ 3 h 23 (26.7%) 10 (66.7%)  
CD4 449.2 ± 229.3 324.9 ± 132.4 0.044*
HIVRNA    0.697
 Low 67 (77.9%) 11 (73.3%)  
 High 19 (22.1%) 4 (26.7%)  
Creatinine 70.9 ± 14.3 64.4 ± 12.0 0.103
CRP 9.7 ± 19.9 27.6 ± 26.2 0.003*
Albumin 44.5 ± 7.0 42.3 ± 5.1 0.245
Globulin 28.9 ± 4.5 31.6 ± 6.2 0.047*
ESR 14.5 ± 15.4 34.2 ± 21.1 < 0.001*
PCT 0.1 ± 0.2 0.9 ± 0.7 < 0.001*
D-dimmer 1.7 ± 3.0 7.1 ± 10.3 < 0.001*
  1. The data was presented with Mean + SD/N (%). For continuous variables, the rank sum test of Kruskal Wallis was used. For counting variables with theoretical number < 10, the Fisher exact probability test was used. *P-value≤0.05