Posterior short-segment fixation with implanting pedicle screw in the fractured level as a feasible method for treatment of thoracolumbar fracture

Egyptian Journal of Neurosurgery

Table 4 Clinical and radiological evaluation data determined at time of discharge and at end of follow-up

Data			Preoperative	Time of discharge	At end of FU
Clinical findings
Low back pain score	Mean score (±SD)		25.7±4	35.4±3.6^a	49.4±4.8^ab
	Frequency of improvement	<50%		20 (55.6%)	10 (27.8%)
	Frequency of improvement	>50%		18 (44.4%)	26 (72.2%)^b
	Patients' status	Excellent	0	4(11.1%)	6 (16.7%)
		Good	4 (22.2%)	12 (33.3%)^a	20 (55.6%)^a
		Fair	9 (50%)	16 (44.5%)	8 (22.2%)
		Poor	5 (27.8%)	4 (11.1%)	2 (5.5%)
ASIA grades	A		0	0	0
	B		2 (5.5%)	0	0
	C		2 (5.5%)	2 (5.5%)	0
	D		4 (11.1%)	4 (11.1%)	4 (11.1%)
	E		28 (77.9%)	30 (83.4%)	32 (88.9%)
Radiological findings
Sagittal index (SI)			0.7±0.13	0.8±0.11^a	0.78±0.09^a
Extent of anterior body compression			0.42±0.2	0.24±0.14^a	0.23±0.19^a
Cobb angle (°)			33±5	12.8±3.3^a	17.1±4.3^ab
Ratio of canal compromise			12.2±8.3	4.4±3.9^a	2.8±3.6^a

Data are presented as numbers & mean±SD; percentages are in parenthesis; FU: Follow-up; ^a significance of difference versus preoperative data; ^b significance of difference versus at time of discharge data; ASIA American Spinal Injury Association