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Table 3 Comparison of VAS and ODI scores in two groups

From: Clinical outcomes of transforaminal endoscopic lateral recess decompression by using the visualized drilled foraminoplasty and visualized reamed foraminoplasty: a comparison study

Items

VDF group (n = 45)

VRF group (n = 42)

P value

VAS of Back

 Preoperation

5.27 ± 1.12

5.05 ± 1.23

0.39

 1-week after operation

2.31 ± 0.85

2.21 ± 0.75

0.58

 3-month after operation

2.02 ± 0.81

2.07 ± 0.51

0.97

 The latest follow-up

1.47 ± 0.66

1.51 ± 0.57

0.76

VAS of Leg

 Preoperation

7.36 ± 1.11

7.14 ± 1.03

0.36

 1-week after operation

2.40 ± 0.72

1.95 ± 0.79

< 0.05

 3-month after operation

1.93 ± 0.86

1.67 ± 0.72

0.12

 The latest follow-up

1.42 ± 0.71

1.48 ± 0.83

0.66

ODI

 Preoperation

66.36 ± 9.87

69.52 ± 9.22

0.13

 1-week after operation

34.80 ± 7.74

29.67 ± 5.91

< 0.05

 3-month after operation

24.49 ± 5.61

22.81 ± 4.70

0.14

 The latest follow-up

21.02 ± 4.58

20.11 ± 5.49

0.35

  1. The VAS and ODI scores were compared by using student t-test. P < 0.05 represented statistical significance. VDF visualized drilled foraminoplasty, VRF visualized reamed foraminoplasty, ODI Oswestry dysfunction indexes, VAS visual analogue scale