A comparison of functional outcomes following inpatient versus outpatient hip or knee arthroplasty

Table 4 Results of functional outcome measures across three or more studies

Author	Arthroplasty type	Timepoint	Mean (SD where reported)		Statistical significance (P value)
Author	Arthroplasty type	Timepoint	Outpatient	Inpatient	Statistical significance (P value)
Visual Analog Scale (pain intensity)
Gabor, 2020	THA	12 weeks—baseline average	− 4.8 (2.2)	− 5.1 (2.3)^†	0.05*
Goyal, 2016	THA	Day of surgery	2.8 (2.5)	3.3 (2.3)	0.12
		Day after Surgery	3.7 (2.3)	2.8 (2.1)^†	0.05*
		4 weeks	1.7 (1.9)	1.7 (1.9)	0.77
Husted, 2020	THA	POD1-7	NR	NR	> 0.05
	TKA rest	POD1	4.6	4.0	0.30
		POD2	5.2	3.6^†	0.02*
		POD7	3.6	3.3	0.70
	TKA active	POD1	5.4	5.6	0.70
		POD7	4.6	4.7	0.90
Rosinsky, 2020	THA	2 years	1.0 (2.0)^†	1.5 (2.2)	0.04*
Zomar, 2021	THA	Discharge	3.1 (0.5)^†	4.6 (0.5)	0.04*
		2 weeks	2.6 (0.5)	2.5 (0.5)	> 0.05
		6 weeks	1.6 (0.5)	1.2 (0.5)	> 0.05
		12 weeks	1.0 (0.4)	0.6 (0.4)	> 0.05
Harris Hip Score (Hip function)
Goyal, 2016	THA	4 weeks	75.0 (18)	75.0 (14)	0.77
Rosinsky, 2020	THA	2 years	92.3 (13.4)^†	87.4 (15.6)	0.02*
Zomar, 2021	THA	12 weeks	96.3 (1.3)	95.8 (1.2)	> 0.05
Patient Satisfaction Score
Husted, 2020	THA/TKA	4 weeks	75.0 (18)	75.0 (14)	0.77
Kolisek, 2009	TKA	2 years	92.3 (13.4)^†	87.4 (15.6)	0.02*
Rosinsky, 2020	THA	12 weeks	96.3 (1.3)	95.8 (1.2)	> 0.05

NR—not reported, HHS—Harris Hip Score, POD—postoperative day, SDD—same day discharge, nSDD—not same day discharge, SD—standard deviation, THA—total hip arthroplasty, TKA—total knee arthroplasty, VAS—Visual Analog Scale
*Statistical significance = < .05
^†Result favouring group

ISSN: 1749-799X