Table 1

Results for flexion (active and passive), knee pain, satisfaction with knee and feel of knee preoperatively and at 3 months, 6 months and 1 year follow up
Type of prosthesis Pre-operative 3 months 6 months 1 year
Flexion – passive (mean (range))
Standard CR TKA 116 (range 70–140) 115 (range 90–133) 117 (range 105–130) 120 (range 104–146)
High-flex PS TKA 118 (range 80–140) 119 (range 70–135) 123 (range 105–138) 127 (range 107–146)
p-value 0.61 0.18 0.0012 0.0012
Flexion – active (mean (range))
Standard CR TKA - 109 (range 90–125) 111 (range 96–128) 114 (range 90–135)
High-flex PS TKA - 113 (range 70–130) 115 (range 98–130) 121 (range 105–140)
p-value - 0.14 0.04 0.0011
Knee pain (median (range))
Standard CR TKA - 2 (range 0–5) 2 (range 0–5) 0 (range 0–8)
High-flex PS TKA - 2 (range 0–9) 1 (range 0–7) 0 (range 0–8)
p-value - 0.43 0.85 0.94
Satisfaction with knee (median (range))
Standard CR TKA - 8 (range 4–10) 8 (range 4–10) 9 (range 3–10)
High-flex PS TKA - 8 (range 1–10) 9 (range 3–10) 9 (range 4–10)
p-value - 0.50 0.56 0.61
Feel of the knee (median (range))
Standard CR TKA - 8 (range 2–10) 8 (range 2–10) 9 (range 0–10)
High-flex PS TKA - 7 (range 0–10) 8 (range 0–10) 9 (range 0–10)
p-value - 0.30 0.64 0.53

Thomsen et al.

Thomsen et al. BMC Musculoskeletal Disorders 2013 14:127   doi:10.1186/1471-2474-14-127

Open Data