Table II.

Length of stay data stratified by type of arthroplasty procedure.

Year	Type of arthroplasty procedure	LOS	LOS SD	p-value*
	Hip (primary and revision)			0.001
2019	738	2.89	1.85
2020	674	3.24	2.26
	Hip primary			0.001
2019	697	2.84	1.77
2020	646	3.24	2.24
	Hip revision			0.519
2019	41	3.63	2.76
2020	28	4.11	2.96
	Knee (primary and revision)			0.001
2019	789	3.30	1.97
2020	637	3.85	2.25
	Knee primary			0.001
2019	758	3.22	1.89
2020	607	3.83	2.00
	Knee revision			0.360
2019	31	4.52	5.64
2020	30	4.53	2.78

^*Mann-Whitney U test.

LOS, length of stay; SD, standard deviation.