Page 105 - Craniomaxillofacial Implant Surgery - Jeroen P.J. Dings

Autologous versus prosthetic nasal and auricular reconstruction
Control images were used for the anatomical subunit section of both questionnaires. For the auricular reconstruction questionnaire, a total of 20 non-affected, contralateral ears of patients with auricular reconstructions were used. For the nasal reconstruction questionnaire, standardised clinical photographs of 11 healthy, age- and gender-matched patients were used. Control and patient images were ordered randomly in both questionnaires.
Respondents
Patients, professionals and laymen were selected to complete the questionnaires. In total, 10 laymen (people unfamiliar with reconstructive surgery), five patients who had previously undergone nasal or auricular reconstruction, and 10 medical professionals (five oral and maxillofacial (OMF) surgeons and five ear, nose and throat (ENT) surgeons) completed the questionnaires. The age and gender of all participants were noted (Table 2). Each participant received an e-mail with a link to the digital survey comprising the standardised questionnaires and instructions on how to complete the non-time-limited digital survey.
Table 2 Respondent demographics.
Layman Patient OMF ENT (N= 10) (N= 5) (N= 5) (N= 5)
Sex
Male 5 3 4 2 6 Female 5 2 1 3
Age*
Mean 54.9 69.2 48.0 42.8 Range 34–69 59–77 36–66 30–59
*Age in years
Statistical analysis
Mixed models were used to analyse the questionnaire responses. For the overall appearance and general questions, three fixed factors, type of observer (laymen, patient, OMF surgeon or ENT surgeon), type of organ (nose or ear), and type of reconstruction (prosthesis or reconstruction), were included in the model, which included all two- and three-way interactions and random effects between the photograph and the respondent. For the anatomical subunits part of the questionnaire, separate analyses were performed for the nose and ear data, since the questions differed between the two questionnaires. In these mixedmodel analyses, two fixed factors (type of observer and type of reconstruction) and a two-way interaction and random effects between the photograph and respondent were included.
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