Percutaneous Endoscopic Lumbar Interbody Fusion: Technical Note and Preliminary Clinical Experience with 2-Year Follow-Up
Table 2
Preoperative, follow-up VAS, ODI, and SF-36 scores.
Characteristics
Value
P value
Lower back pain VAS, mean ± SD
Preoperative
6.17±0.75
-
Postoperative 1 year
0.83±0.75
<0.001
Postoperative 2 years
0.67±0.52
<0.001
Lower extremity pain VAS, mean ±SD
Preoperative
5.33±1.97
-
Postoperative 1 year
0.33±0.52
0.004
Postoperative 2 years
0.17±0.41
0.002
SF-36 PCS, mean ± SD
Preoperative
38.83±4.17
-
Postoperative 1 year
51.33±3.20
<0.001
Postoperative 2 years
55.67±2.58
<0.001
SF-36 MCS, mean ± SD
Preoperative
43.83±3.13
-
Postoperative 1 year
56.33±6.83
0.009
Postoperative 2 years
57.50±5.36
0.001
ODI score, mean ± SD
Preoperative
44.83±4.75
-
Postoperative 1 year
14.50±8.09
<0.001
Postoperative 2 years
11.17±4.31
<0.001
p<0.05, postoperative 1 year compared with preoperative. p<0.05, postoperative 2 years compared with preoperative. VAS, visual analog scale; MCS, Mental Component Score; PCS, Physical Component Score; SF-36, Short Form-36 Health Surgery Questionnaire.
