Skip to main content

Table 2 Relevant parameters of the area, height, and width of the secure region

From: Kambin's triangle-related data based on magnetic resonance neurography and its role in percutaneous transforaminal endoscopic lumbar interbody fusion

Level (side)

Area (mm2)

Height (mm)

Width (mm)

Mean ± SD

95% CI

Mean ± SD

95% CI

Mean ± SD

95% CI

L1-L2

Right

68.29 ± 15.38

63.49–73.08

7.22 ± 1.19

6.85–7.59

9.50 ± 1.65

8.98–10.02

Left

67.60 ± 15.23

62.85–72.34

7.25 ± 1.16

6.89–7.61

9.34 ± 1.76

8.79–9.89

Mean

67.94 ± 15.22

64.64–71.24

7.23 ± 1.17

6.98–7.49

9.42 ± 1.70

9.05–9.79

L2-L3

Right

81.19 ± 16.78

75.96–85.42

8.48 ± 0.96

8.18–8.78

9.74 ± 1.79

9.19–10.30

Left

81.40 ± 15.56

76.55–86.25

8.49 ± 0.98

8.18–8.80

9.63 ± 1.67

9.11–10.15

Mean

81.30 ± 16.09

77.81–84.79

8.49 ± 0.97

8.28–8.70

9.69 ± 1.72

9.32–10.06

L3-L4

Right

96.88 ± 19.76

90.72–103.04

9.63 ± 1.00

9.32–9.94

10.24 ± 1.59

9.75–10.73

Left

96.02 ± 19.23

90.03–102.02

9.65 ± 0.96

9.35–9.95

10.20 ± 1.69

9.67–10.72

Mean

96.45 ± 19.38

92.25–100.66

9.64 ± 0.98

9.43–9.85

10.22 ± 1.63

9.86–10.57

L4-L5

Right

137.12 ± 23.62

129.76–144.48

10.87 ± 1.37

10.44–11.30

12.83 ± 1.86

12.25–13.40

Left

133.76 ± 23.30

126.50–141.02

10.96 ± 1.35

10.54–11.38

12.57 ± 1.91

11.97–13.16

Mean

135.44 ± 23.38

130.37–140.51

10.92 ± 1.35

10.62–11.21

12.70 ± 1.88

12.29–13.10

L5-S1

Right

142.57 ± 27.07

134.14–151.01

12.55 ± 1.67

12.03–13.07

11.86 ± 2.10

11.20–12.51

Left

139.40 ± 25.24

131.54–147.27

12.63 ± 1.62

12.13–13.14

11.33 ± 1.85

10.75–11.90

Mean

140.99 ± 26.06

135.33–146.64

12.59 ± 1.63

12.23–12.94

11.59 ± 1.99

11.16–12.02

  1. Values are expressed as mean ± SD
  2. With a total sample size of 84