. 2012 Jul 20;21(12):2512–2519. doi: 10.1007/s00586-012-2307-y

Table 3.

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	−5.5^o	22.5^o	12^o	10.5^o
B	5.29^o	21.71^o	8.71^o	13^o
t test	−1.369	0.156	0.644	0.607
p value	0.198	0.879	0.533	0.556
Height of the fused segment
A	96.17 mm	110.17 mm	110.2 mm	0 mm
B	100.57 mm	109.71 mm	103.86 mm	5.86 mm
t test	−0.546	0.073	0.888	1.903
p value	0.596	0.943	0.393	0.084

Both Tables 2 and 3 demonstrate the values of segmental lordosis and segmental height in both groups preoperatively, immediately after surgery and at the final follow-up. The last column shows the amount of correction loss calculated as the difference between the value at the final follow-up and immediately after surgery