Influence of pelvic incidence-lumbar lordosis mismatch on surgical outcomes of short-segment transforaminal lumbar interbody fusion

Table 4 Complications during the 1-year minimum follow-up

	Group A no. of cases (%)	Group B no. of cases (%)
Cage migration	0 (0.0)	1 (3.3)
Screw malposition	0 (0.0)	1^a (3.3)
Pulmonary embolism	1 (4.5)	0 (0.0)
Dural tear	0 (0.0)	2^b (6.6)
Infection	0 (0.0)	0 (0.0)
Postoperative epidural hematoma	1^a (4.5)	0 (0.0)
Blood transfusion	0 (0.0)	0 (0.0)
Re-operation	1 (4.5)	1 (3.3)

^aCases requiring additional surgery to correct complications. ^bDural sutures required

ISSN: 1471-2474