Table 1.

Patient demographics, operative information and disease characteristics

Patient	Age (years)	Gender	Operation time (min)	Blood loss (mL)	Level	Duration of symptoms (months)	Length of follow-up (months)
1	43	M	120	1500	L4 to S1	4	18
2	29	F	140	1600	L4 to L5	5	24
3	38	F	150	1300	L4 to S1	4	30
4	55	M	140	1100	L5 to S1	7	18
5	45	F	160	1500	L4 to L5	8	12
6	37	M	130	900	L4 to S1	3	12
7	49	F	100	1000	L4 to S1	5	24
8	51	M	110	1000	L4 to L5	6	18
9	56	F	120	1100	L5 to S1	8	24
10	49	F	90	900	L4 to L5	5	18
11	37	M	100	900	L4 to L5	4	18
Mean ± SD	44.45 ± 8.50	-	123.34 ± 22.48	1163.64 ± 265.60	-	5.36 ± 1.69	19.64 ± 5.43

SD standard deviation, M male, F female