We read with great interest the recent article by Casserly et al1 comparing the scar outcome of video-assisted parathyroidectomy with traditional bilateral cervical exploration using previously validated scar assessment scales. The authors reported that 7 patients (4 in the video-assisted parathyroidectomy group and 3 in the bilateral cervical exploration group) included in the comparative analysis did not return to the clinic to complete the scar assessment scales and that they extracted the relevant data by conducting telephone interviews facilitating only patient analysis. However, the Patient Scar Assessment Scale was designed for completion by the patient to minimize administrator bias.2 Casserly and colleagues should discuss and assess the possible effects and relevance of administrator bias, since 13% (7 of 53) of the patients did not complete the aforementioned scar assessment scale by themselves.
Economopoulos KP. Completion of the Patient Scar Assessment Scale via a Telephone Interview. Arch Otolaryngol Head Neck Surg. 2011;137(6):642. doi:10.1001/archoto.2011.77
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