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Table 6 Summary of studies that used thenar atrophy as an outcome measure

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 NR
Brown et al 1993 [10] 0–3 0(absent), 1(mild) 2(moderate), 3(severe)
Mackinnon et al 1991 [8] NR None, mild, moderate and severe
Shum et al 2002 [21] NR NR
Trumble et al 2002 [20] NR Present/absent
  1. NR = Not Reported