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Table 1 Details of 14 studies included in the scoping review

From: Anatomical variation of the Psoas Valley: a scoping review

Publication yearFirst authorSubjectsDefinitionDepthWidthShapeLocationIndex of wideningMeasurement method
2016Spiker [19]Introduction of surgical techniqueIliopsoas notch      
2016Lee [15]10 fresh-frozen cadaveric specimensPsoas-U26.9 ± 2.6 mm proximal to the tear drop (AP view)
22.9 ± 4.8 mm anterior to the center of the acetabulum (FP view)
    Radiography
2014Philippon [4]14 fresh-frozen cadaveric specimensPsoas-U   3:30′ in o’clockface position
superior-most point: 23.4 ± 2.9 mm from AIIS
center: 29.4 ± 3.4 mm from AIIS
 Coordinate-measuring device
2014Kopydlowski [3]240 human skeletonsPsoas valley4.64 ± 1.62 mm26.94 ± 5.03 mm 3.92 ± 0.42 o’clock anteriorly and 2.12 ± 0.77 o’clock posteriorly in clockface position Manual
2014Devi [11]100 human skeletons   Curved:60%
Angular: 27%
Irregular: 9%
Straight: 4%
  Manual
2013Osmani [17]65 CT scans of non-diseased hipsPsoas valley     3D imaging software
2011Sachdeva [18]50 cadaveric specimensNotch between AIIS and IE1.26 ± 0.3 cm in male
1.02 ± 0.18 cm in female
   30.06 ± 6.72 in male
26.9 ± 6.06 in female
Manual
2011Domb [5]36 patients who underwent hip arthroscopyIliopsoas notch      
2009Kohnlein [14]33 human skeletonsAnterior wall depression81 ± 5° of geographical reconstruction method
9° below the level of a hemisphere
 Irregular (wave-like rim profile)
Straight: 0%
03: 20 ± 20 min in clockface position Manual
2008Vandenbussche [2]200 CT scans of non-diseased hipsPsoas valley4.9 ± 1.6 mm Curved:79%
Angular: 11%
Irregular: 10%
Straight: 0%
  Image processing software
2007Vandenbussche [1]34 fresh cadaveric specimensPsoas valley3.8 ± 2.0 mm71 ± 18°Curved:58%
Angular: 22%
Irregular: 17%
Straight: 3%
  Surgical navigation system
2005Govsa [13]226 human skeletons   Curved:60.5%
Angular: 25.5%
Irregular: 9.5%
Straight: 4.5%
  Manual
2001Maruyama [16]100 human skeletons   Curved:60.5%
Angular: 25.5%
Irregular: 9.5%
Straight: 4.5%
  Manual
1992Pellico [12]42 human skeletonsNotch between AIIS and IE8.13 ± 1.73 mm   21.35 ± 5.12Manual
  1. AP view anteroposterior view, FP view False-Profile view, AIIS anterior inferior iliac spine, IE iliopubic eminence