Table 2

Patient sample data

Number

854


Male

529


Female

325


age range/mean [years]

15-96/56


Spine site lumbar

854


Spine level L1/L2

11


Spine level L2/L3

41


Spine level L3/L4

98


Spine level L4/L5

274


Spine level L5/S1

263


no information about the spine level

167


Samples with NP-HDS available

766


Samples with AF-HDS available

714


Samples with NP and AF-HDS available

626


Samples with additional BMI

249


Weiler et al. BMC Research Notes 2011 4:497   doi:10.1186/1756-0500-4-497

Open Data