Table 1.

CAS TKA versus Conventional TKA PROMs

						Reported PROMs
						Conventional TKA			CAS TKA
Author	Year	Navigation	Implants	Follow-up	Study size
Roberts [31]	2020	Stryker ASM/FNS	Triathalon	Mean 4.5 years	CAS = 90	OKS 41.59			OKS 41.74
					CON = 78
Selvanayagam [32]	2019	Orthopilot	Columbus CR – Braun	Mean 4 years	CAS = 25	WOMAC 16 KSS 82			WOMAC 16.5 KSS 81.5			KSS 82
					CON = 25
Hsu [26]	2019	Not reported	DePuy Press fit Sigma	Mean 8.1 years	CON = 56	WOMAC 93.9		HSS 91.7	WOMAC 93.5		HSS 89.2	CON ROM 126 CAS ROM 127
					CAS = 56
D’Amato [33]	2018	Stryker Imageless	Scopio/Optetrack PS	10 years	CON = 45	KOOS 78.6	KSS-F 87.4		KOOS 82.3	KSS-F 85.0
					CAS = 48
Petursson [34]	2018	Not reported	Not stated	2 years	CAS = 87	KOOS 88.2	KSS 69.7	EQ-5D 88	KOOS 85.6	KSS 69.2	EQ-5D 85.9
					CON = 80
Kim [35]	2017	BrainLab	NextGen PS	15 years	CON = 141	WOMAC 14	KSS 92		WOMAC 15	KSS 93		CON ROM 128 CAS ROM 127
					CAS = 141
Goh [36]	2017	BrainLab	Not stated	2 years	CON = 76	OKS 33.7	KSS 37.1	SF-36 physical 34.9	OKS 36.4	KSS 36.3	SF-36 physical 32.2
					CAS = 38
Ollivier [37]	2017	Not reported	Zimmer Next Gen	Mean 11 years	CAS = 40	KOOS 86.75	KSS 82	SF-12 physical 73	KOOS 85.5	KSS 82.5	SF-12 physical 72
					CON = 40
Todesca [38]	2016	Amplivision	Amplitude	Mean 6.4 years	CAS = 121	WOMAC 22	KSS 89	HSS 90	WOMAC 20	KSS 96	HSS 94	CON ROM 125
					CON = 117							CAS ROM 128
Baumbach [18]	2016	Orthopilot	Aesculap Search prosthesis	Mean 10 years	CON = 46	HSS 82.1	KSS 135.6	SF-36 physical 48.3	HSS 82.6	KSS 141.3	SF-36 physical 43.3
					CAS = 50
Song [39]	2016	Orthopilot	e.motion Braun	9 years	CAS = 37	WOMAC 9.9	KSS 82.2	HSS 88.2	WOMAC 11.2	KSS 83.8	HSS 91.9
					CON = 38
Ouanezar [40]	2016	Amplivision	Cementless mobile-bearing SCORE – Amplitude	10 years	CAS = 81		KSS 163			KS 164		CON ROM 114 CAS ROM 114
					CON = 57
Cip [41]	2014	BrainLab	Next Gen Mobile bearing and PS Flex	Mean 5.5 years	CAS = 74	WOMAC 25.9	KSS 93.4	HSS 90.6	WOMAC 18.1	KSS 96	HSS 93.3	CON ROM 120
					CON = 79
												CAS ROM 119
Lin [42]	2013	BrainLab	PS NextGen Zimmer	2 years	CAS = 30		KSS 29.6			KSS 29.4		CON ROM 128 CAS ROM 128
					CON = 35
Thiengwittayaporn [43]	2013	Zimmer/Medtronic AxiEM electromagnetic navigation system	PS NextGen Zimmer	5 years	CAS = 58		KSS 84.5			KSS 85		CON ROM 121 CAS ROM 124
					CON = 58
Lützner [44]	2013		Scorpio PCS	5 years	CAS = 34		KSS 150.2	Euroquol 61.7		KSS 149	Euroquol 66.8
					CON = 33
Tolk [45]	2012	Brainlab	LCS mobile bearinf	5 years	CAS = 50	OKS 39.4	KSS 155.6		OKS 39.1	KSS 156.4		CON ROM 112.8 CAS ROM 111.8
					CON = 50
Harvie [46]	2012	Stryker	Duracon	Mean 5 years	CON = 22	WOMAC 21.84	KSS 148.1	SF-36 physical 65	WOMAC 15.97	KSS 157	SF-36 physical 45
					CAS =24
Hoppe [47]	2012	Orthosoft Navitrack	Innex UCOR TKA (Zimmer) with rotating platform	5 years	CAS = 28		KSS 94			KSS 94.6		CON ROM 117 CAS ROM 110
					CON = 28
Seon [48]	2009	Orthopilot	e.motion	Not available	CAS = 43	WOMAC 70.9		HSS 67.2	WOMAC 70.9		HSS 67.2	CON ROM 120.2 CAS ROM 121.4
					CON = 42
Kim [35]	2007	Brainlab	PFC -Sigma	Mean 2.3 years	CAS = 115		KSS 93	HSS 89		KSS 94	HSS 90	CON ROM 125 CAS ROM 127
					CON = 115

CAS Computer-assisted TKA, CON Conventional TKA, ROM Range of motion, KSS Knee Society Score, HSS Hospital for Special Services Score, SF-36 Short-form 36, OKS Oxford knee score, WOMAC Western Ontario and McMaster Universities osteoarthritis index