Table 1.

Age, CP subtype, ambulatory status and preferred surgical zone for GSL.

	Consensus: > 80%	General Agreement: 60% to 79%	No Consensus < 60%
< 4 years	-	-	Zone 1, 2, 3
4 years to 6 years	-	Zone 2	Zone 1, 3
6 years to 10 years	-	Zone 1, 2	Zone 3
> 10 years	-	Zone 1, 2	Zone 3
Hemiplegia	Zone 2	Zone 3, 1	-
Diplegia	Zone 1, 2 (Zone 3: contraindicated)	-	-
Ambulatory	Zone 2	Zone 1	Zone 3
Non-ambulatory	-	Zone 2, 3	Zone 1

Ambulatory: GMFCS I-III, Non-ambulatory: GMFCS IV and V

Hemiplegia = unilateral CP, Diplegia = bilateral CP