www.orthopaedicscores.com
Date of completion
Knee Society Score    
Clinician's name (or ref)
Patient's name (or ref)
 
During the past 4 weeks......
Part 1 - Knee Score
Pain   Flexion Contracture (if present)
None   5°-10°
Mild / Occasional   10°-15°
Mild (Stairs only)   16°-20°
Mild (Walking and Stairs   >20°
Moderate - Occasional   Extension lag
Moderate - Continual   <10°
Severe   10-20°
      >20°
     
Total Range of Flexion   Alignment (Varus & Valgus)
0-5 6-10 11-15 16-20 21-25   0 1 2 3 4
26-30 31-35 36-40 41-45 46-50           5 - 10        
51-55 56-60 61-65 66-70 71-75   11 12 13 14 15
76-80 81-85 86-90 91-95 96-100           Over 15°        
101-105 106-110 111-115 116-120 121-125                      
   
Stability (Maximum movement in any position)
Antero-posterior   Mediolateral
<5mm    <5°
5-10mm    6-9°
10+mm    10-14°
     15°

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Final Knee Score is

(NB: consider a negitive outcome as zero)
 

Grading for the knee Society Score

Score 80-100

Excellent

Score 70-79
Good
Score 60-69
Fair
Score below 60
Poor

Reference for score: Insall JN, Dorr LD, Scott RD, Scott WN. Rationale of the Knee Society clinical rating system. Clin Orthop Relat Res. 1989 Nov;(248):13-4. link to pubmedLink SF36, SF12

Reference for Grading: Asif S , Choon DS . Midterm results of cemented Press Fit Condylar Sigma total knee arthroplasty system. J Orthop Surg (Hong Kong). 2005 Dec;13(3):280-4.