Table 4. Frequency of hip and knee surgical site infections by year and infection type, 2019–2023.

Year	Deep incisional SSI		Organ/space SSI		All cases
	n	%	n	%	n
Hip arthroplasty
2019	52	49.5	53	50.5	105
2020	22	44.9	27	55.1	49
2021	44	49.4	45	50.6	89
2022	48	46.2	56	53.9	104
2023	46	54.1	39	45.9	85
Overall	212	49.1	220	50.9	432
Knee arthroplasty
2019	27	50.9	26	49.1	53
2020	14	37.8	23	62.2	37
2021	23	62.2	14	37.8	37
2022	33	54.1	28	45.9	61
2023	34	46.0	40	54.1	74
Overall	131	50.0	131	50.0	262

Abbreviation: SSI, surgical site infection