Table 5.

Effect of mechanical factors limiting hand function on the CHFS — results from univariate regression analyses.

Mechanical Factors Limiting Hand Functionp
Tendinous retractions0.02
Ankylosis of the distal interphalangeal joints0.002
Ankylosis of the proximal interphalangeal joints< 0.0001
Ankylosis of the metacarpophalangeal joints0.0008
DU located on bone profile0.02
Autoamputation0.04
Surgical amputation0.09
Arthrodesis0.03

  • CHFS: Cochin Hand Function Scale; DU: digital ulcers.