Table 2.

Studies Included at Each Level of Evidence (N = 59)

Disorder	Level I (SR/RCT)	Level II	Level III
Bone, joint, and hand disorders
Distal radius fracture	7 (2/5)	1	0
Boxer’s fracture	1 (1/0)	0	0
Rheumatoid arthritis	3 (0/3)	1	0
Osteoarthritis	4 (1/3)	0	0
Joint contracture	4 (1/3)	0	1
General hand disorders	2 (0/2)	1	0
Peripheral nerve disorders
Carpal tunnel syndrome	19 (9/10)	0	1
Sensory dysfunction	1 (1/0)	0	1
Tendon disorders
Extensor tendon injury	2 (1/1)	2	0
Flexor tendon injury	1 (1/0)	0	0
Dupuytren’s contracture	2 (0/2)	0	0
Trigger finger	1 (0/1)	0	0
Mallet finger	3 (0/3)	0	0
Tendon transfer	1 (1/0)	0	0

Note. RCT = randomized controlled trial or randomized comparative trial; SR = systematic review.