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. 2020 Sep 24;7:70. doi: 10.1186/s40634-020-00278-y

Table 4.

Robotic TKA versus Conventional TKA PROMs

Reported PROMs RTKA
Author Year Robot Follow-up Study size Conventional TKA ROM
Smith [59] 2019 MAKO vs Triathalon 1 year RTKA 120 Satisfied/very satisfied (Likert) 82% Satisfied/very satisfied (Likert) 94% RTKA 0–119
CON 113 KSS Function - 80 CON 1–116
KSS Function – 73
Kim [54] 2019 ROBODOC Vs PS Duracon 13 years RTKA 674 KSS-KS 93 KSS-KS 92 RTKA 125
CON 674 WOMAC 18 WOMAC 19 CON 128
Jeon [55] 2019 Robodoc (NextGen) Vs Triathalon 10 years RTKA 84 KSS 91.9 KSS 89.7 RTKA 137.2
CON 79 KSS Function 85.4 KSS Function 89.5 CON 134.5
SF-36 (physical) 47.2 SF-36 (physical) 47.5
Cho [56] 2018 ROBODOC Vs NextGen 10 years RTKA 160 HSS 86.7 HSS 88.5 RTKA130.7 CON 130.0
CON 230 KSS Pain 45.8 KSS Pain 45.3
KSS Function 88.4 KSS Function 87.8
WOMAC 13.0 WOMAC 10.1
SF-36 P 47.6 SF-36 P 48.3
Yang [53] 2017 ROBODOC vs NextGen 10 years RTKA 71 HSS 88.7 HSS 87.2 RTKA 132.6 CON 131.0
CON 42 WOMAC 11.5 WOMAC 7.6
VAS 1.1 VAS 1.2
Marchand [60] 2017 MAKO Vs CR Triathalon 6 months RTKA 20 Pain score 5/10 Pain score 3/10
CON 20 WOMAC 14 WOMAC 7
Liow [61] 2016 ROBODOC vs NextGen 2 years RTKA 31 OKS 17.7 OKS 18.3 RTKA 1.5–118.3
CON 29 KSS-F 73.9 KSS – F 77 CON 1.7–125.2
KSS-KS 87.9 KSS – KS 81.8
SF-36 Physical 66.9 SF-36 Physical 79.5
Satisfied (%) 89.7 Satisfied (%) 93.5
Song [57] 2013

ROBODOC

Vs NextGen

 5.4 years RTKA 50 WOMAC 30 WOMAC 28.9 RTKA 128
CON 50 HSS 94.7 HSS 95.7 CON 129
Song [58] 2011 ROBODOC Vs CR NextGen 1.4 years RTKA 30 WOMAC 13 WOMAC 11 RTKA 129
CON 30 HSS 94.7 HSS 95.2 CON 129
Park [11] 2007 ROBODOC Vs Zimmer LPS 3.75 years RTKA 30 KSS 90.4 KSS 91.6 RTKA 122
CON 32 Knee Functional Score – 88.5 Knee Functional Score – 87.9 CON 118

CAS Computer-assisted TKA, RTKA Robotic TKA, 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, VAS Visual Analogue Scale