"grade 1: only thin principal compression trabeculae visible"
"grade 2: principle compression trabeculae present, other trabeculae nearly resorbed"
"grade 3: principle tensile trabeculae thinned and breakage in continuity present"
"grade 4: principal tensile trabeculae thinned without loss of continuity"
"grade 5: principle tensile and compression trabeculae readily visible with prominence of Ward triangle"
"grade 6: all trabeculae visible and of normal thickness"
Expected headings
"Trabecular types in proximal femur"
"Singh index"