Patients with Intolerance Reactions to Total Knee Replacement: Combined Assessment of Allergy Diagnostics, Periprosthetic Histology, and Peri-implant Cytokine Expression Pattern

Table 1

Patients characteristics.

	Sex	Age (years)	Tissue from	Implant survival (month)
Group I; (revision surgery, patch test+, LTT+)	7 m  4 f	ø59.0; (37–75)	Knee	ø25.7; (6–30)
Group II; (revision surgery, patch test−, LTT+)	7 m  2 f	ø64.2; (53–71)	Knee	ø28.0; (12–60)
Group III; (revision surgery, patch test−, LTT−)	2 m  3 f	Ø69.8; (59–75	Knee	Ø23.4; (7–42)
OA-control Group; (gonarthrosis before arthroplasty)	1 m  11 f	69.2; (52–89)	Knee	—
PT-control Group; (patch test+ biopsies); (patch test− biopsies)	1 m  5 f; 1 m  1 w	64.25; (53–75)	Back; Back	—; —