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Table 1 Details of the included studies

From: A systematic comparative analysis of gait characteristics in patients undergoing total knee arthroplasty and unicompartmental knee arthroplasty: a review study

Authors

Year

Study

type

Journal

Mean age

(years)

Follow-up (months)

Sample size

(M/F)

Implant type

Body mass index (kg/m²)

Inertial

system

Tasks

Main outcome

parameters

UKA

TKA

 

UKA

TKA

UKA

TKA

UKA

TKA

Vilhelm Wiik et al. [16]

2019

RCS

Royal College of Surgery

65.50

65.77

12

8/6

9/4

NA

NA

26.43

30.38

VICON system

Level walking

C, WS, F2,

F6,R, F5

Nishizawa et al. [17]

2020

PCS

Asia Pac J Sports Med Arthrosc Rehabil Technol

72.20

77.40

Mean 12

2/11

0/15

9Fixed

PS

25.20

27.10

NA

Level walking

WS, ROM, F1, F3,KAM, KIRM,

De Vroey et al. [18]

2019

RCS

Gait posture

66.50

64.50

At least

12

4/2

2/6

NA

PS

30.08

32.99

Six cameras system

Level walking

WS, C, S L,

ROM, F1, F2, F3, F4,

Friesenbichler et al. [19]

2018

PCS

The Knee

61.00

63.00

Mean 6

9/9

9/9

Fixed

PS

27.00

27.10

CIR Systems Inc

Level walking

WS, SL, S,MVC,

Wiik et al. [20]

2013

RCS

The Journal of Arthroplasty

65.90

67.80

At least

12

10/13

9/24

NA

NA

30.00

29.40

Instrumented treadmill

Level walking

WS, C,SL, OKS, vert-GRF

Igor Komnik et al. [21]

2016

RCS

PLOS ONE

60.50

60.00

At least 12

7/6

7/4

Fixed

4CR, 7PS

27.70

27.50

VICON system

Level and Sloped

Grounds

WS, SL, KAM, KIRM,

Jones et al. [22]

2016

RCS

Bone Joint Journal

65.00

68.00

At least 12

12(NA)

12(NA)

Mobile

CR

29

30

Kistler Gaitway

Twalk readmill instrumented with force plates

WS, OKS, vert-GRF

Anatole V et al. [23]

2014

RCS

Knee

64.8

6

67.5

At least 12

9/10

6/8

NA

CR

29.3

29.1

Instrumented

treadmill

Downhill walking

WS, OKS, vert-GRF, WS, C, SL, Stride L,

Contact T, ST, S, SW,

Miller et al. [24]

2018

RCS

Royal College of Surgery

65.77

65.15

At least 12

13(NA)

13(NA)

NA

CR

26.68

30.38

VICON system

Level walking

C, WS, Stride L, Stride T, SL,

Çankaya et al. [25]

2021

RCS

Joint Diseases and

Related Surgery

59.40

61.70

At least

12

1/16

2/32

Fixed

CR

27.90

29.10

Smartphone

application

Level walking

WS, C,SL, KSS

  1. Abbreviations: RCS, retrospective comparative study; PCS, prospective comparative study; M, male; F, female; NA, not available; CR, cruciate retaining; PS, posterior stabilized; F1, knee flexion at heel strike; F2, maximum knee flexion at loading; F3, minimum knee flexion at terminal stance; F4, maximum knee flexion at swing; F5, total knee flexion at gait cycle; F6, Flexion at loading response; WS, walking speed; C, cadence (step/min); SL, step length (m); Stride L, stride length (m); SW, step widt; ST, Step time; Stride T, Stride Time; Contact T, Contact time; S, single-limb support phase; MVC, Quadriceps MVC torque; ROM, Range of movement in the gait cycle; KSS, Knee Society Score; OKS, Oxford Knee Score; vert-GRF, vertical ground reaction force; KAM, knee adduction moment; KIRM, knee internal rotation moment