Table 1
Characteristic of the studies.
| Studies | Location | Study design | Minimum follow-up (m) | Sample size |
Mean age | BMI (mean) | Prosthesis design | Clinical measurements | Radiological measurements | Other measurements | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| GS | Conv | ||||||||||
| Kim et al. [29] | South Korea | PRCT | 37 | 138 | 138 | 71.2 | 27.3 | GS: NexGen gender-specific CR-flex, cemented, all PR | WOMAC, KSS, ROM, pain, satisfaction, preference | Radiographic outcomes | Complications |
| Conv: NexGen standard CR-flex, cemented, all PR | |||||||||||
| Kim et al. [30] | South Korea | PRCT | 24 | 85 | 85 | 69.7 | 27.1 | GS: NexGen gender-specific posterior cruciate-substituting flex, cemented, all PR | WOMAC, HSS, KSS, ROM, pain, satisfaction, preference | Radiographic outcomes | Complications |
| Conv: NexGen standard posterior cruciate-substituting flex, cemented, all PR | |||||||||||
| Song et al. [31] | South Korea | PRCT | 24 | 46 | 46 | 68.8 | 26.8 | GS: NexGen gender-specific CR-flex, cemented, no PR | WOMAC, HSS, ROM, preference | Radiographic outcomes | |
| Conv: NexGen standard CR-flex, cemented, no PR | |||||||||||
PRCT: prospective randomized controlled trial, GS: gender-specific, Conv: conventional, CR: cruciate-retaining, PR: patella resurfacing, WOMAC: Western Ontario and McMaster Universities Osteoarthritis Index, KSS: knee society score, ROM: range of motion, HSS: Hospital for Special Surgery knee score.
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