Table 3 Radiographic indices for lumbar developmental spinal stenosis

L1

2.2 (0.4)

2.0 (0.4)

1.3 (0.2)

1.2 (0.2)

1.8 (0.2)

1.6 (0.2)

L2

2.4 (0.5)

2.0 (0.3)

1.3 (0.3)

1.3 (0.2)

1.8 (0.2)

1.6 (0.2)

L3

2.6 (0.5)

2.0 (0.2)

1.4 (0.2)

1.2 (0.2)

1.8 (0.2)

1.6 (0.2)

L4

2.8 (0.8)

2.1 (0.3)

1.4 (0.4)

1.2 (0.1)

1.8 (0.3)

1.6 (0.2)

L5

3.5 (1.4)

2.3 (0.4)

1.6 (0.3)

1.3 (0.2)

1.7 (0.2)

1.6 (0.2)

S1

3.5 (1.7)

2.8 (0.9)

1.4 (0.4)

1.4 (0.2)

1.8 (0.4)

1.5 (0.1)