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Table 1

Characteristic of the studies.

Studies Location Study design Minimum follow-up (m) Sample size
Mean age
Female
BMI (mean)
Prosthesis design Operative method Clinic al measurements Radiological measurements Other measurements
KA MA KA MA KA MA KA MA
Dossett et al. [18] United States PRCT 24 44 44 66 66 41 38 29 32 KA: Vanguard, CR, FB, SR, cemented, all PR KA: PSI OKS, WOMAC, KSS, ROM HKA, AKA, JLOA, FMA, TMA Complications
MA: Vanguard, CR, FB, SR, cemented, all PR MA: Conventional instruments
Yeo et al. [39] South Korea PRCT 96 30 30 72 74 27 25 27 26 KA: NexGen, CR, FB, MR, cemented, partial PR KA: ROBDOC system, robotic aassisted HSS, WOMAC, KSS, ROM HKA, FMA, TMA, TS Gait analysis
MA: NexGen, CR, FB, MR, cemented, partial PR MA: Robotic aassisted
Laende et al. [40] Canada PRCT 24 24 23 64 63 16 17 36 34 KA: Triathlon, CR, FB, SR, cemented, all PR KA: PSI OKS, satisfaction, UCLA HKA, MPTA Tibial migration
MA: Triathlon, CR, FB, SR, cemented, all PR MA: Computer navigation
McEwen et al. [41] Australia PRCT 24 41 41 65 NA 31 KA: Triathlon, CR, FB, SR, cementless femur, cemented tibia, partial PR KA: computer navigation OKS, FJS, KOOS, JR, ROM HKA, FMA, TMA, TS, JLOA, JLCA, PTA Intraoperative gap laxity, soft tissue release, 4 specific clinical questions, complications
MA: Triathlon, CR, FB, SR, cementless femur, cemented tibia, partial PR MA: computer navigation
Young et al. [38] New Zealand PRCT 60 47 48 72 70 25 26 30 31.5 KA: Triathlon, CR, FB, SR, cemented, partial PR KA: PSI OKS, WOMAC, FJS, KSS, VAS HKA, FMA, TMA, TS Intraoperative gap laxity, soft tissue release, complications
MA: Triathlon, CR, FB, SR, cemented, partial PR MA: Computer navigation

NA: Not Applicable, PRCT: Prospective Randomized Controlled Trial, KA: Kinematic Alignment, MA: Mechanical Alignment, CR: Cruciate-Retaining, FB: Fixed-Bearing, SR: Single Radius, MR: Multi-Radius, PR: Patella Resurfacing, PSI: Patient-Specific Instrument, OKS: Oxford Knee Score, WOMAC: Western Ontario and McMaster Universities Osteoarthritis Index, KSS: Knee Society Score, ROM: Range of Motion, FJS: Forgotten Joint Score, VAS: Visual Analogue Scale, HSS: Hospital for Special Surgery knee score, UCLA: University of California at Los Angeles Loneliness score, KOOS JR: Knee Injury and Osteoarthritis Outcome Score Junior, HKA: Hip-Knee-Ankle angle, AKA: Anatomic Knee Angle, JLOA: Joint Line Orientation Angle, FMA: Femoral component relative to Mechanical Axis, TMA: Tibial component relative to Mechanical Axis, TS: Tibial Slope, MPTA: Medial Proximal Tibial Angle, JLCA: Joint Line Convergence Angle, PTA: Patellar Tilt Angle.

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