====== Lumbar adjacent segment disease after TLIF ======
Preoperative [[pelvic tilt]] (PT) of more than 22.58 was a significant risk factor of the incidence of [[adjacent segment disease]] (ASD) after [[TLIF]] (P=0.02; odds ratio: 5.1, 95% CI: 1.62–9.03) 
((Yamasaki K, Hoshino M, Omori K, et al. Risk factors of adjacent segment disease after transforaminal inter-body fusion for degenerative lumbar disease. Spine (Phila Pa 1976) 2017;42(2):E86–92)).