Effectiveness and postoperative rehabilitation of one-stage combined anterior-posterior surgery for severe thoracolumbar fractures with spinal cord injury

Table 1 Comparison of basic information

Groups	Male/female	Age (yr)	Causes of injury (Falling injury/traffic accidents/falling from heights)	Preoperative ASIA grade(B/C/D)	Frankel classification (A/B/C/D)	Preoperative AO classification (A3/B3/C2)	BMI (kg/m2)
Group 1 (n = 60)	35/25	45.37 ± 4.24	13/32/15	13/22/25	13/18/15/14	13/35/12	23.75 ± 1.69
Group 2 (n = 60)	29/31	45.26 ± 4.09	16/29/15	12/20/28	15/20/12/13	15/30/15	23.84 ± 1.76
χ2/t value	1.205	0.145	0.4579	0.305	0.619	0.861	0.286
P value	0.272	0.885	0.7954	0.859	0.892	0.650	0.776

ASIA: American Spinal Injury Association; BMI: Body mass index.

Table 2 Comparison of the surgical indicators (mean ± SD)

Groups	Blood loss (mL)	Incision length (cm)	Operating time (min)	Intraoperative X-rays	Length of hospital stay (d)
Group 1 (n = 60)	748.28 ± 74.69	6.97 ± 0.62	145.79 ± 14.63	18.77 ± 1.63	12.89 ± 1.67
Group 2 (n = 60)	625.71 ± 62.43	7.14 ± 0.75	125.28 ± 12.07	19.05 ± 1.52	12.48 ± 1.43
t value	9.753	1.353	8.376	0.973	1.444
P value	0.001	0.179	0.001	0.332	0.151

Table 3 Comparison of the function of the affected vertebrae (mean ± SD)

Group	Anterior vertebral height ratio of the affected vertebra (%)		Posterior vertebral height ratio of the affected vertebra (%)		Cobb angle (°)		Canal-occupying ratio of the affected vertebra (%)
	Before	After	Before	After	Before	After	Before	After
Group 1 (n = 60)	61.86 ± 6.20	91.97 ± 7.12	89.74 ± 8.51	97.52 ± 1.66	27.54 ± 2.71	5.11 ± 0.53	66.12 ± 6.17	13.09 ± 1.23
Group 2 (n = 60)	61.57 ± 6.25	89.20 ± 6.16	89.43 ± 8.62	95.40 ± 2.35	27.68 ± 2.62	7.09 ± 0.75	66.63 ± 6.41	12.87 ± 1.45
t value	0.255	2.279	0.198	5.708	0.288	16.700	0.444	0.896
P value	0.799	0.024	0.843	0.001	0.774	0.001	0.658	0.372

Table 4 Comparison of the quality of life scores between the two groups (mean ± SD)

Group	Activities of daily living		Spirit		Sleep		Appetite
	Before	After	Before	After	Before	After	Before	After
Group 1 (n = 60)	35.78 ± 5.61	51.13 ± 2.04	32.91 ± 6.23	48.72 ± 5.45	36.47 ± 4.52	50.87 ± 1.69	33.96 ± 5.12	52.41 ± 1.37
Group 2 (n = 60)	36.02 ± 5.77	44.81 ± 3.62	33.80 ± 6.14	42.36 ± 5.22	36.68 ± 4.31	45.12 ± 2.78	34.03 ± 5.08	46.89 ± 2.65
t value	0.200	10.203	0.683	5.653	0.226	11.856	0.065	12.413
P value	0.842	0.001	0.497	0.001	0.822	0.001	0.948	0.001