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. Author manuscript; available in PMC: 2020 Jun 23.
Published in final edited form as: J Prosthet Orthot. 2018 Oct;30(4):214–230. doi: 10.1097/jpo.0000000000000209

TABLE 2.

Reasons for incomplete or unusable WAFER data.

Issue Total Occurrences No. of Occurrences (Partic. No.) How Handled in Analysis
Participant did not recharge the
system
6 3 (NA) Data not included
1 (#11) Restart
1 (#13) Data for 8 days included
1 (#9) Data for 10 days included
Participant did not align the liner
target properly with the
WAFER sensor
1 1 (NA) Data not included
Electronics hardware failed 2 1 (NA) Data not included
1 (#10) Restart
Electronics enclosure considered
unsightly or socially
unacceptable by participant
2 1 (#1) Wore pants
1 (#6) Wore alternate prosthesis (1 day)
Signal degradation late in testing 3 2 (#14,#17) Data for 11 days included
1 (#4) Data for 12 days included

Partic. No. = participant number

NA = not applicable