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. 2007 Oct 29;2:17. doi: 10.1186/1749-799X-2-17

Table 2.

Changes of the interspace angle before and after surgery, and at final follow-up(X ± S)

location cases pre-operation on Bending film post-operative follow-up
L2,3 3 1.7° ± 2.9° -1.0° ± 3.5° 5.7° ± 4.0° 6.3° ± 2.9°
L3,4 21 2.8° ± 3.1° -1.9° ± 6.7° 2.4° ± 6.1° 6.7° ± 8.1°
L4,5 6 5.5° ± 2.5° -4.5° ± 4.6° -2.3° ± 5.8° -2.2° ± 5.2°
total 30 3.2° ± 3.1° -2.3° ± 6.1° 1.8° ± 6.2° 4.9° ± 7.9°