Instrumentation Removal following Minimally Invasive Posterior Percutaneous Pedicle Screw-Rod Stabilization (PercStab) of Thoracolumbar Fractures Is Not Always Required

Table 4

Pain and disability scores.

	NRG			IRG
	NRS-B	NRS-L	ODI	NRS-B	NRS-L	ODI
3 months	4	4.5	26	6	5	23
12 months	3	2	23	4	4	21
24 months	2	1	21	5	5	27
48 months	2	1	16	3	3	14

24-month follow-up ranged for the IRG cohort from 16 to 24 months depending on time of instrumentation removal. This is an average of final follow-up periods which ranged from 4 to 8 years depending on time of surgery.