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. 2020 Dec 5;9(12):872. doi: 10.3390/antibiotics9120872

Table 1.

Characteristics of 109 patients with hip and knee prosthetic joint infection.

Variable Patients with Prosthetic Total Knee Infection
(n = 38)		 Patients with Prosthetic Total Hip Infection
(n = 41)		 Patients with Prosthetic Partial Hip Infection
(n = 30)
Age, years—mean (standard deviation) 74 (5.7) 72 (9) 83 (6.1)
Female gender—no. (%) 24 (63.3) 23 (56.1) 26 (86.7)
Primary arthroplasty—no. (%) 33 (86.8) 32 (78) 26 (86.7)
Early postoperative infection—no. (%) 27 (71.1) 29 (70.7) 28 (93.3)
Surgical treatment of early postoperative infections (EPI):

  • Debridement and implant retention—no. (% of EPI)

 26 (96.3) 28 (96.6) 27 (96.4)

  • Two-stage exchange no. (% of EPI)

 1 (3.7) 1 (2.4)

  • One-stage exchange no. (% of EPI)

 1 (3.6)
Late chronic infection—no. (%) 11 (28.9) 12 (29.3) 2 (6.7)
Surgical treatment of late chronic infections (LCI):

  • Debridement and implant retention—no. (% of LCI)

 1 (9.1) 1 (8.3) -

  • Two-stage exchange no. (% of LCI)

 10 (90.9) 5 (41.7) 2 (100)

  • One-stage exchange no. (% of LCI)

 - 6 (50) -
Culture-positive prosthetic joint infection—no. (%) 36 (94.7) 38 (92.7) 27 (90)
Microbial aetiology of prosthetic joint infection

  • Staphylococcus aureus—no. (%)

 9 (25) 14 (36.8) 10 (37)
 o Methicillin-resistant S. aureus—no. (%) 5 (15.2) 2 (5.3) 6 (22.2)

  • Coagulase negative staphylococci—no. (%)

 10 (27.8) 10 (26.3) 5 (18.5)

  • Enterobacteria—no. (%)

 9 (25) 10 (26.3) 9 (33.3)

  • Other microorganisms—no. (%)

 14 (38.9) 10 (26.3) 6 (22.2)