Minimally Invasive TLIF Using Unilateral Approach and Single Cage at Single Level in Patients over 65

Table 1

Demographic data of the 38 patients.

Mean age, years
Gender F : M	25 : 13
Mean follow-up, months
Diagnosis
(i) Herniated nucleus pulposus	3 (7.89%)
(ii) Spondylolisthesis	17 (44.74%)
(iii) Spinal stenosis	18 (47.37%)
Level
(i) L4/5	29 (76.32%)
(ii) L5/S1	9 (23.68%)
Side
(i) Right	12 (31.58%)
(ii) Left	26 (68.42%)
Bone mineral density change