Percutaneous endoscopic-assisted direct repair of pars defect without general anesthesia could be a satisfying treatment alternative for young patient with symptomatic lumbar spondylolysis: a technique note with case series

Table 2 The radiographic and functional outcomes of all patients before surgery, after surgery and at final follow-up interval

Parameters	Gap distance (mm)	VAS-B	ODI	SF-36 (PCS)	SF-36 (MCS)
At-enrollment	3.3 ± 1.7	6.9 ± 2.1	25.7 ± 4.9	36.1 ± 4.9	42.7 ± 5.3
After surgery	2.6 ± 1.3^*	2.3 ± 1.3^*	13.5 ± 5.2^*	48.7 ± 6.1^*	54.3 ± 8.2^*
Final follow-up	1.9 ± 1.4^†	1.1 ± 0.9^†	9.8 ± 3.7^†	54.5 ± 4.9^†	57.3 ± 6.8^†

^* The postoperative values were compared with ones at enrollment, and the result were statistically significant (P<0.05)
^† The follow-up values were compared with ones at enrollment, and the result were statistically significant (P<0.05)
VAS-B: Visual Analogue Scale for Back pain; ODI: Oswestry Disability Index; SF-36: Short Form-36 Health Surgery Questionnaire; PCS: Physical Component Score; MCS, Mental Component Score

ISSN: 1471-2474