Adherence to a reliable PJI diagnostic protocol minimizes unsuspected positive cultures rate

Table 1 Additional data from patients of both groups

	Type of prosthesis	Microorganism	Protocol fulfillment	Unsuspected positive culture
Group 1
1	THR	CNS	No: sinus tract present. Joint aspiration missing	Yes
2	THR	Staphylococcus aureus	No: joint aspiration missing	No
3	TKR	CNS	Yes	No
4	THR	Cutibacterium acnes	No: joint aspiration missing	Yes
5	THR	Escherichia coli	No: sinus tract present. Joint aspiration missing	Yes
6	THR	CNS	No: joint aspiration missing	Yes
7	TKR	Escherichia coli	Yes	No
8	TKR	Enterococcus faecalis + CNS	Yes	No
9	THR	Cutibacterium acnes	No: joint aspiration missing	Yes
10	TKR	Pseudomonas aeruginosa	Yes	No
11	THR	Culture negative	No: joint aspiration missing	No
12	TKR	Streptococcus viridans	Yes	No
13	TKR	Cutibacterium acnes	No: joint aspiration missing	Yes
14	TKR	CNS	No: joint aspiration missing	Yes
15	THR	Escherichia coli	Yes	No
Group 2
1	TKA	Pseudomonas aeruginosa	Yes	No
2	TKA	CNS	Yes	No
3	THA	Candida glabrata	Yes	No
4	TKA	Staphylococcus aureus	Yes	No
5	THA	Staphylococcus aureus	Yes	No
6	THA	Enterococcus faecium	Yes	No
7	THA	Enterobacter cloacae	Yes	No
8	TKA	CNS	Yes	No
9	THA	Cutibacterium acnes	Yes	No
10	THA	CNS	Yes	No
11	THA	CNS	Yes	No
12	TKA	Cutibacterium acnes	Yes	No
13	THA	Escherichia coli + CNS	No: aspiration missing	No
14	THA	Pseudomonas aeruginosa	Yes	No
15	TKA	Culture negative	Yes	No
16	THA	Cutibacterium acnes + CNS	Yes	No
17	TKA	Streptococcus agalactiae	Yes	No
18	TKA	Culture negative	Yes	No

ISSN: 1471-2474