phalangeal depth ratio

phalangeal depth ratio

The thickness of the finger at the base of the nail divided by its thickness at the distal interphalangeal joint. A ratio greater than 1 is indicative of clubbing.
References in periodicals archive ?
The presence of clubbing was assessed by objective measurement of a phalangeal depth ratio, calculated by distal phalangeal finger depth (DPD) divided by interphalangeal finger depth (IPD), with the use of a Vernier caliper [7].