Table 2.

The radiological parameters reported in the subgroup of patients ≤65 years

Group	Preoperative	Postoperative	Last follow-up	Correction loss
Lordosis of the fused segment
A	5o	20o	13o	7o
B	4.86o	17.14o	10o	7.14o
t test	0.009	0.349	0.414	0.033
p value	0.993	0.739	0.693	0.975
Height of the fused segment
A	107 mm	122 mm	113 mm	9 mm
B	104.86 mm	114.14 mm	109.71 mm	4.43 mm
t test	0.187	1.063	0.39	−1.86
p value	0.858	0.329	0.71	0.112