Variable
Value
Age, years
73.76 (range: 58– 86)
Sex, number Male Female
12 (70.6%) 5 (29.4%)
BMI, kg/m2
29.2
Follow-up duration (months)
13.3 (range: 12 – 14.5)
Surgical time (minutes)
27.5 (19-50)
Estimated blood loss (EBL)
43.5 (10-150)
Table 1: Patient demographics
Number of levels 1 2 3 Total
4 (23.5%) 12 (70.6%) 1 (5.9%) 31
Level of treatment L1-2 L2-3 L3-4 L4-5
2 12 13 4
Subsidence Grade 0 Grade 1 Grade 2 Grade 3
24 (77.4%) 4 (12.9%) 2 (6.5%) 1 (3.2%)
Fusion Yes Ongoing
28 (90.3%) 3 (9.6%)
Migration Yes No
1 (3.2%) 30 (96.8%)
Table 2: Radiographic Results
Disc Height (P = 0.028)
(mm)
Preoperative
5.81
Postoperative
7.27
Change
1.46 (25%)
Table 3: Change in Disc Height
Figure 1: Change in disc height across levels (mm)
Figure 2: Visual Analogue Scale and Oswestry Disability Index Scores Before and After Surgery (VAS p < 0.0001; ODI p < 0.032)
Tables at a glance
Figures at a glance