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

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