Magnetically controlled growing instrumentation for early onset scoliosis: Caution needed when interpreting the literature

Table 2 Summary of hardware related complications following magnetically controlled growing rods instrumentation for early onset scoliosis

	Complication rate	Without keeper plate	With keeper plate
Overall complication rate/study	35.6% (n = 115)	80.61% (n = 38)	35.65% (n = 77)
Major complications	n = 95	n = 32	n = 63
Cumulative Complications
Distraction failure	14.0% (n = 38)	40.8% (n = 20)	8.1% (n = 18)
Implant failure	8.86% (n = 24)	18.36% (n = 9)	6.76% (n = 15)
Screw pull-out	8.12% (n = 22)	4.1% (n = 2)	9.0% (n = 20)
Infection	2.2% (n = 6)	2.04% (n = 1)	2.25% (n = 5)
Prominent hardware	2.58% (n = 7)	14.28% (n = 7)	0% (n = 0)
Proximal junctional kyphosis	2.58% (n = 7)	0% (n = 0)	3.15% (n = 7)
Wound dehiscence	0.74% (n = 2)	0% (n = 0)	0.9% (n = 2)