. 2010 Dec 22;20(2):266–273. doi: 10.1007/s00586-010-1654-9

Table 2.

Surgical results comparing mini-open (Group A) and traditional open (Group B) anterior corrective surgery (mean value and range)

	Group A			Group B
	Pre-op	Post-op	Final follow-up	Pre-op	Post-op	Final follow-up
Coronal TL curve (°)	56.4	12.7*	14.3	55.8	14.6*	17.5
Coronal TL curve (°)	42 to 75	5 to 17	6 to 19	40 to 75	4 to 18	7 to 20
Apical translation (mm)^a	48	16*	17	50	15*	17
Apical translation (mm)^a	35 to 65	10 to 35	12 to 35	33 to 68	10 to 33	13 to 35
Lower instrumented vertebra tilt (°)^b	28	9*	10	25	8*	10
Lower instrumented vertebra tilt (°)^b	14 to 42	−11 to 20	−10 to 25	11 to 40	−12 to 20	−13 to 24
Apical vertebrae rotation (°)	29.5	14.5 *		32.4	15.7 *
Apical vertebrae rotation (°)	20 to 46	6 to 20		25 to 45	7 to 22
Sagittal TL kyphosis (T10–L2) (°)	10.7	6.5*	7.3	9.8	5.2*	6.4
Sagittal TL kyphosis (T10–L2) (°)	0 to 18	2 to 8	2 to 9	−2 to 16	2 to 7	2 to 10
Lumbar lordosis T12–S1 (°)	55	58	56	54	59	59
Lumbar lordosis T12–S1 (°)	25 to 70	27 to 75	27 to 72	28 to 70	35 to 75	36 to 70

TL thoracolumbar

* Pre-op versus post-op comparison P < 0.05

^aApical Translation: the center of the apical vertebral body or disc of the thoracolumbar curve to the vertical center sacral line

^bLower instrumented vertebra tilt: lower instrumented vertebra angle from horizontal line