Table 1.

Patient characteristics.

Patient	Age (years)	Sex	Diagnosis	Lesion level	Surgery-HAL interval (days)	Number of HAL sessions	Rehabilitation period (days)
1	48	Male	Arachnoid cyst	C5–Th1	7	3	7
2	65	Male	Dural AVF	Th6-7	13	12	35
3	56	Male	Dural AVF	Th6-7	10	3	4
4	70	Male	Cervical OPLL	C2–Th1	14	5	9
5	67	Male	Spinal lipoma	L2–5	21	5	7
6	72	Male	Cervical spondylosis	C4–5	11	5	10
7	29	Female	Spinal ependymoma	C6	29	4	18
8	36	Female	Spinal ependymoma	C2-3	14	3	21
9	39	Female	Spinal ependymoma	Medulla oblongata to Th1	19	5	11
Mean ± SD	53.6 ± 16.1				14.2 ± 8.1	5.0 ± 2.6	13.6 ± 9.1

AVF = arteriovenous fistula; OPLL = ossification of the posterior longitudinal ligament; SD = standard deviation.