Table 2.

Fused levels and C5 palsy incidence

No. of levels fused	Fused level	No. of patients	Cases of palsy (%)	Patients with MMT grade ≤2 (%)
1	C3–C4	13	0	0
	C4–C5	5	0	0
	C5–C6	11	0	0
	C6–C7	3	0	0
	C7–T1	1	0	0
	Subtotal	33	0	0
2	C3–C5	14	0	0
	C4–C6	14	2 (14.3)	1 (7.1)
	C5–C7	12	0	0
	Subtotal	40	2 (5.0)	1 (2.5)
3	C2–C5	1	0	0
	C3–C6	27	4 (14.8)	2 (7.4)
	C4–C7	15	0	0
	C5–T1	3	0	0
	Subtotal	46	4 (8.7)	2 (4.3)
4	C2–C6	6	2 (33.3)	2 (33.3)
	C3–C7	63	9 (14.3)	5 (7.9)
	C4–T1	2	0	0
	Subtotal	71	11 (15.5)	7 (9.9)
5	C2–C7	9	0	0