Table 1 Classification of each microdefect was categorised by the volume, length, width, depth and the shape of each element.

From: Runaway resorption of microcracks contributes to age-related hip-fracture patients

Micro-defect

Shape

Volume (mm3)

Length (mm)

Width (mm)

Depth (mm)

Resorption pit

Cylindrical

< 2.92 × 10−6

 < 0.05

< 0.02

0–0.01

Resorption trench

Cylindrical

7.2 × 10−7–6.5 × 10−5

0.05–0.45

< 0.05

< 0.02

Partially resorbed microcrack

Fissure & Cylindrical

1.1 × 10−6–5.5 × 10−5

0.05–0.15

< 0.05

< 0.03

Microcrack

Fissure

1.2 × 10−6–1.73 × 10−4

0.04–0.59

0.01–0.15

< 0.02