Limb length discrepancy after total knee arthroplasty: A systematic review and meta-analysis

Figure 1 PRISMA Flow Diagram showing methods of study recruitment.

Figure 2 Preoperative and postoperative scanogram showing limb length variations in a 63-year-old male patient. Preoperative hip—knee—ankle angle (HKA) angle Rt, Lt: 166^o, 169^o, limb length Rt, Lt: 81.8 cms, 82.5 cms; postoperative HKA angle Rt, Lt: 175^o, 178^o, limb length Rt, Lt: 84.3 cms, 85 cms.

Figure 3 Forest plot showing limb length discrepancy in the preoperative period and postoperative period. LLD: Limb length discrepancy.

Figure 4 Forest plot showing limb lengthening/limb length discrepancy in varus deformity, valgus deformity and unilateral/ bilateral total knee arthroplasty. TKA: Total knee arthroplasty; LLD: Limb length discrepancy.

Figure 5 Forest plot showing functional outcome in patients with limb length discrepancy < 10 mm vs ≥ 10 mm.