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Table 8 Comparison of results with other studies

From: Results of total knee arthroplasty for painless, stiff knees

  Knees Mean follow-up period (years) Mean ROM gain (preoperative to postoperative mean ROM change) Mean functional score change Rate and details of complications
Kim et al. (2017) [12] 10 10.2 69 (9.5 to 78.5) KSS; 42.6 to 68.6
FS; 39 to 66
30% (3 knees)
Radiolucent lines around the tibial component (2) and skin edge necrosis (1)
Bahn et al. (2006) [1] 26 6.5 74 (0 to 74) KSS; 47 to 75 24% (NA)
Major complications (4 knees); fracture (1), hematoma needing reoperation (1), peroneal nerve palsy (1), and persistent stiffness (1)
Naranja et al. (1996) [8] 37 7.5 62 (0 to 62) NA 35% (16 knees)
Patellar tendon or tibial tubercle avulsion (3), persistent pain requiring arthrodesis (1), joint stiffness requiring revision or arthrotomy for lysis of scar (2), aseptic loosening requiring revision (5), and deep infection (5)
Our current study 15 15.4 77.6 (0 to 77.6) KSS; 36 to 76.9
FS; 50.9 to 67.2
33% (5 knees)
Periprosthetic joint infection (2), Polyethylene-insert dislocation (1), severe extension lag after patella fracture (1), and aseptic loosening (1)
  1. ROM range of motion, KSS Knee Society Knee score, FS Knee Society Function score, NA not available