From: Power grip, pinch grip, manual muscle testing or thenar atrophy – which should be assessed as a motor outcome after carpal tunnel decompression? A systematic review
Study
Scale
Grading
Borisch et al 2003 [23]
NR
Brown et al 1993 [10]
0–3
0(absent), 1(mild) 2(moderate), 3(severe)
Mackinnon et al 1991 [8]
None, mild, moderate and severe
Shum et al 2002 [21]
Trumble et al 2002 [20]
Present/absent