Table 2.

Motor deficits pre- and postoperatively.

Pre- and postoperative frequence of physical signs indicating motor deficits		Preop	Postop
Severe	Severe atrophy + claw-finger on the fifth finger + inability to cross the second and third fingers + positive Froment + positive Wartenberg	9	2
Moderate	Moderate atrophy + inability to cross the second and third fingers + positive Froment + positive Wartenberg	10	7
Mild	Mild atrophy + absence of positive signs	7	2
Absent	No atrophy	10	25