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Table 1 Mayo clinic performance index for the elbow

From: Autologous platelet lysate local injections for the treatment of refractory lateral epicondylitis

Mayo index Points
Pain intensity
 No pain 25
 Mild occasional 20
 Moderate, tolerable 15
 Severe to intolerable 0
Functional status
 Returned to regular employment 25
 Restricted employment 20
 Able to work, but unemployed 15
 Unable to work because of pain 0
Range of motion (% of normal side)
 100 % 25
 75–100 % 15
 50–75 % 10
 25–50 % 5
 0–25 % 0
Grip strength (% of normal side)
 100 % 25
 75–100 % 15
 50–75 % 10
 25–50 % 5
 0–25 % 0