Table 2.

Radiographic data of surgery

Parameter	Total (n = 19)	Success result (excellent + good) (n = 14)	Poor result (n = 3)
Disc height (mm)
Pre-operative	5.0	4.9	4.8
Post-operative	7.3	7.5	6.4
Final	6.2	6.6	5.7
Cage size (mm)	6.2	6.5	5.8
Segmental angle (lordosis degree)
Pre-operative	2.0	1.3	−1.6
Post-operative	6.6	7.0	−0.9
Final	3.3	3.4	−4.4