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Table 3 Changes in ODI and VAS scores from baseline according to the type of spinal stenosis and stenosis grade

From: Percutaneous transforaminal full endoscopic decompression for the treatment of lumbar spinal stenosis

  

Type of spinal stenosis

  

Outcome

Foraminal stenosis

Lateral recess stenosis

Central stenosis

P

ODI (%)

 1wk

53.73 ± 21.65

58.46 ± 20.23

59.64 ± 15.28

0.730

 3mo

59.09 ± 19.48

66.17 ± 21.20

65.45 ± 17.37

0.320

 1 yr

65.03 ± 21.19

69.32 ± 21.12

69.76 ± 16.65

0.672

VAS for low back pain (%)

 1wk

51.76 ± 12.38

55.95 ± 12.15

55.87 ± 9.77

0.723

 3mo

54.35 ± 8.06

57.87 ± 13.67

59.46 ± 13.72

0.696

 1 yr

57.95 ± 8.77

64.45 ± 14.93

62.83 ± 12.84

0.537

VAS for leg pain (%)

 1wk

62.10 ± 19.66

62.73 ± 16.72

61.74 ± 17.53

0.980

 3mo

71.57 ± 22.16

64.55 ± 16.86

61.14 ± 19.59

0.351

 1 yr

75.68 ± 20.68

66.67 ± 19.14

62.43 ± 22.31

0.172

  

Stenosis grade

  

Outcome

Mild

Moderate

Severe

P

ODI (%)

 1wk

61.69 ± 18.44

59.30 ± 18.70

50.71 ± 19.68

0.204

 3mo

69.98 ± 18.10

67.75 ± 17.79

52.54 ± 20.34

0.132

 1 yr

73.53 ± 17.33

73.16 ± 15.84

55.23 ± 22.55

0.069

VAS for low back pain (%)

 1wk

59.22 ± 12.25

55.43 ± 8.37

49.36 ± 13.19

0.088

 3mo

60.92 ± 14.61

60.03 ± 10.32

49.68 ± 10.49

0.037

 1 yr

67.16 ± 16.51

65.06 ± 8.81

53.16 ± 10.57

0.010

VAS for leg pain (%)

 1wk

64.14 ± 16.12

64.41 ± 18.22

56.83 ± 17.06

0.301

 3mo

71.33 ± 17.15

68.00 ± 19.32

53.32 ± 15.69

0.044

 1 yr

74.82 ± 15.90

71.42 ± 20.84

52.56 ± 18.36

0.018

  1. VAS visual analog scale, ODI Oswestry disability index