Table 2

 Impairment variables.

Impairment variableRight handLeft handp Value*
Values are mean (SD).
*Differences between right and left hand.
†Average grip strength of the right and left hand for healthy women: 206/194 N (age 50–59) and 197/173 N (age 60–69).27
Flexion deficit II (mm)4.2 (9.9)4.2 (10.2)0.99
    III3.5 (9.5)4.0 (12.5)0.62
    IV3.0 (8.2)3.7 (9.4)0.47
    V1.4 (5.4)2.2 (6.9)0.18
Extension deficit II (mm)2.1 (4.9)1.6 (4.0)0.26
    III3.7 (7.0)2.1 (4.4)<0.001
    IV3.4 (6.8)1.5 (3.9)<0.001
    V2.2 (4.5)1.2 (3.5)0.03
Opposition deficit thumb (mm)6.5 (12.8)6.2 (11.6)0.86
Radial abduction thumb (°)60.0 (13.3)62.5 (14.8)0.03
Grip strength (N)†113.9 (74.1)104.0 (67.4)0.01
Proportion of normal grip strength (%)57 (37)58 (39)0.62
Pinch strength (N)19.4 (10.9)20.0 (10.9)0.41
Pain resisted grip (mm)35.6 (26.1)35.4 (26.4)0.92
Pain resisted pinch (mm)31.3 (27.5)31.0 (26.2)0.87