Is it necessary to fuse to the pelvis when correcting scoliosis in cerebral palsy?

Table 4 Complications encountered in both groups, n (%)

Complications	Fusion to pelvis (n = 27)	Fusion to L4/L5 (n = 20)	Total (n = 47)
Pulmonary complications
Respiratory failure1	1 (3.7)	1 (5)	2 (4.2)
Atelectasis	3 (11.1)	1 (5)	4 (8.5)
Pneumonia1	0	1(5)	1 (2.1)
Pressure ulcer	5 (18.5)	1 (5)	6 (12.8)
Instrumentation
Hardware break or prominence	3 (11.1)	0	3 (6.4)
PJK1	1 (3.7)	0	1 (2.1)
Superficial SSI	0	2 (10)	2 (4.2)
Deep SSI1	1 (3.7)	0	1 (2.1)
Wound dehiscence	1 (3.7)	0	1 (2.1)
SIRS1	1 (3.7)	0	1 (2.1)
Durotomy	1 (3.7)	0	1 (2.1)
Total	17 (63)	6 (30)	23 (49.9)

¹Major complications.

SIRS: Systemic inflammatory response syndrome; SSI: Surgical site infection; PJK: Proximal junctional kyphosis.