Table 4 Comparison of follow-up outcomes between two groups.

From: Comparison of learning curves and clinical efficacy of two endoscopic techniques for single segment lumbar degenerative disease

 

Endo-LIF

(n = 40)

UBE-LIF

(n = 55)

P value

VAS (back)

   

 Pre-operative

6.60 ± 1.06

6.65 ± 1.14

0.811

 1 day PO

2.90 ± 0.71

3.33 ± 0.82

0.009*

 2 weeks PO

1.70 ± 0.82

1.75 ± 0.75

0.780

 1 month PO

1.63 ± 0.74

1.49 ± 0.81

0.412

 3 month PO

1.53 ± 0.82

1.125 ± 0.73

0.092

 6 month PO

1.38 ± 0.81

1.11 ± 0.63

0.087

VAS (leg)

   

 Pre-operative

7.20 ± 1.14

7.24 ± 1.25

0.885

 1 day PO

2.83 ± 1.13

2.80 ± 1.18

0.917

 2 weeks PO

1.55 ± 0.96

1.29 ± 0.10

0.206

 1 month PO

1.50 ± 0.88

1.22 ± 0.90

0.130

 3 month PO

1.48 ± 0.88

1.13 ± 0.77

0.043*

 6 month PO

1.38 ± 0.81

1.11 ± 0.69

0.086

ODI

   

 Preoperative

67.58 ± 8.21

65.02 ± 8.97

0.159

 1 month PO

30.65 ± 6.71

30.02 ± 7.48

0.672

 3 month PO

18.60 ± 6.58

17.31 ± 7.67

0.393

 6 month PO

14.38 ± 6.58

13.38 ± 7.56

0.506

Modified Macnab criteria (Excellent: good: fair: poor)

   

 6 month PO

25:10:4:1

35:13:5:2

0.269

 Fusion rates

87.50% (35/40)

85.45% (47/55)

0.775

  1. Significant values are in bold.
  2. *p < 0.05 indicates statistical significance.
  3. VAS: visual analogue scale; ODI: Oswestry disability index; PO: postoperative.
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