Table 1.

Waste generated from total knee arthroplasty.

Procedure	Patient	Implant/system choice	Recycling waste (kg)	Hazardous (contaminated) waste (kg)	Dry nonhazardous waste (kg)	Linens (kg)	Sharps (kg)	Total waste (kg)
TKA	1	Personaa	3.1	15.15	2.5	2.1	0.2	23.05
	2	Vanguarda	1.55	11.3	4.65	1.2	0.05	18.75
	3	Vanguarda	0.7	11.65	2.85	0.75	0.05	16.00
	4	Vanguarda	1.05	13.6	2.95	0.8	0.1	18.50
	5	Vanguarda	1.95	11.95	2.35	1.85	0.05	18.15
	6	Vanguarda	0.75	14.8	2	0.8	0.4	18.75
	7	Vanguarda	1	11.55	1.5	1.35	0.2	15.60
	8	Vanguarda	0.6	10.85	2.55	1.65	0.9	16.55
	9	Vanguarda	0.35	11.9	3.65	1.5	0.3	17.70
	10	Triathlonb	0.9	10.75	2.45	2.45	0.3	16.85
	11	Triathlonb	0.3	11.3	2.55	0.5	0.1	14.75
	12	Vanguarda	0.6	10.6	1.95	0.8	0.1	14.05
	13	Triathlonb	0.5	11.1	1	1.25	1.3	15.15
	14	Vanguarda	0.4	11.45	4	2.4	0.1	18.35
	15	Personaa	0.1	10.95	2.3	1.4	0.05	14.80
	16	Personaa	1.1	11.05	2.15	2.6	0.7	17.60
	Mean		0.93	11.87	2.59	1.46	0.31	17.16

TKA, total knee arthroplasty.

^aZimmer-Biomet (Warsaw, IN).

^bStryker Ltd (Kalamazoo, MI).