Table 4.

Postoperative complications of study participants.

Complication	n (%)
Intraoperative complications
ALL rupture	8 (8)
Aborted prone transpsoas level	2 (2)
Postoperative neuromotor complications
Ipsilateral hip flexor pain	45 (46)
Ipsilateral hip flexor weakness	57 (59)
Ipsilateral thigh numbness	23 (24)
Contralateral hip flexor pain	28 (29)
Contralateral hip flexor weakness	21 (22)
Femoral nerve palsy	2 (2)
Postoperative medical complications
Urinary retention	8 (8)
Deep vein thrombosis	1 (1)
Pneumonia	1 (1)
Altered mental status	5 (5)
Urosepsis	3 (3)
Death	2 (2)
Other complications
Abdominal wall pseudohernia	1 (1)
Subsidence on 1-y radiographs	6 (6)

Abbreviation: ALL, anterior longitudinal ligament.