Effects of different pedicle screw insertion depths on sagittal balance of lumbar degenerative spondylolisthesis, a retrospective comparative study

Table 4 Related complications of patients in the two groups

	Group L (n = 52)	Group S (n = 36)	P value
Hospitalization	Pulmonary infection (1); Deep vein thrombosis (1)	Superficial infection of the wound (1)	0.786
Final follow-up
Intervertebral fusion rate	96.15% (2)	94.44% (2)	0.705
Screw loosening rate	0% (0)	5.56% (2)	0.086

ISSN: 1471-2474