TABLE V.

Reasons for Reoperation^*

Reason	AVBT	PSF
Tether breakage/pedicle screw loosening	7 (3.2)	1 (0.15)
Overcorrection	17 (7.7)	0 (0)
Adding-on	7 (3.2)	2 (0.30)
Other†	0 (0)	1 (0.15)
Overall	31 (14.1)	4 (0.6)

^*The values are given as the number, with the percentage in parentheses. Percentages were calculated by finding the pooled average of the number of reoperations/total number of patients in studies reporting reoperation data. AVBT = anterior vertebral body tethering, and PSF = posterior spinal fusion.

^†Rib hump deformity.