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Table 1 Characteristics of patients undergoing elective total joint arthroplasty in the preintervention and intervention period

From: Efficacy of universal preoperative decolonization with Polyhexanide in primary joint arthroplasty on surgical site infections. A multicenter before-and after-study

  Preintervention period Intervention period Total
Control Adherent to protocol (subgroup) Intervention (total)
Total joint arthroplasty 6140 1866 7175 13,315
Hip (%) 3645 (59.4%) 1041 (55.8%) 4175 (58.2%) 7820 (58.7%)
Knee (%) 2495 (40.6%) 825 (44.2%) 3000 (41.8%) 5495 (41.3%)
Female (%) 3814 (62.1%) 1150 (61.6%) 4365 (60.8%) 8179 (61.4%)
Age (Median [IQR]) 72 [63, 77] 70 [63, 77] 71 [63, 78] 71 [63, 77]
ASA Score < 3 (%) 4319 (70.3%) 1327 (71.1%) 4987 (69.5%) 9306 (69.9%)
Duration of surgery >Median % [IQR] 65 [52, 80] 60 [49, 74] 62 [50, 75] 63 [51, 77]
Days until SSI
Median [IQR]
28.50
[19.25–50.25]
15
[10–39]
20
[15–28]
23
[15–41]
  1. IQR interquartile range