Table 2 Summary of available outcome assessment data

Photograph, blinded assessment at site and patient self-report

142

Blinded assessment at site and patient self-report (no photograph)

41

Photograph and blinded assessment at site (no patient self-report)

17

Photograph and patient self-report (no blinded assessment at site)

0

Only had photograph (no blinded assessment at site and no patient self-report)

0

Only had blinded assessment at site (no photograph and no patient self-report)

10

Only had patient self-report (no photograph and no blinded assessment at site)

19

Missing data (no photograph, no blinded assessment at site or patient self-report)

11