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Table 4 Orthotics Prosthetics User Survey (OPUS) frequency distribution for functional items

From: Functional performance and patient satisfaction comparison between a 3D printed and a standard transradial prosthesis: a case report

OPUS Module 3

Raw scores

Functional items

3D printed arm

Standard prosthesis

Drink from a paper cup

4

4

Use fork or spoon

3

4

Pour from a 12 oz. can

3

4

Dial a touch-tone phone

3

4

Stir in a bowl

3

4

Put on and take off prosthesis

4

4

Average

3.3 ± 0.52

4.0 ± 0.0

  1. 5 = very easy, 4 = easy, 3 = slightly difficult, 2 = very difficult, 1 = cannot perform activity, 0 = not applicable. Mean values calculated excluding 0 = not applicable raw scores