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Official Journal of the Italian Society of Orthopaedics and Traumatology

Table 3 The Massachusetts General Hospital Anatomic Economic Functional Rating System [4]

From: The Prolo Scale: history, evolution and psychometric properties

A0

Pseudoarthrosis

A1

Unilateral pseudoarthrosis

A2

Insufficient unilateral fusion mass

A3

Contiguous fusion mass without hypertrophy

A4

Solid fusion with hypertrophy

E0

Complete invalid

E1

No gainful occupation

E2

Able to work but did not return to previous occupation

E3

Returned to previous occupation in part-time or limited status

E4

Returned to previous occupation without any restriction of any kind

F0

Pain worse than before surgery

F1

Level of LBP is the same as before operation but able to perform all daily tasks of living

F2

Low level of pain and able to perform all activities except sport

F3

No pain but patient has had one or more recurrences of LBP or sciatica

F4

Complete recovery, no recurrent episodes of LBP and able to perform all previous sport activities