Table 3.

The number of each level fused and the combinations of level for each patient

Specific levels	#	Level combinations	#
L2–L3	1	L2–L3, L3–L4	1
L3–L4	3	L3–L4, L4–L5	2
L4–L5	30	L4–L5	5
L5–S1	42	L4–L5, L5–S1	23
Total	76	L5–S1	19