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Orthopaedic Proceedings
Vol. 93-B, Issue SUPP_IV | Pages 560 - 561
1 Nov 2011
Petrisor B Bhandari M Kooistra BW Dijkman BG Sprague S
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Purpose: To investigate

if adding the prospect of co-authorship to a survey’s final paper would increase, and

if the sending modality (fax or email) would affect, the six-week response rate of an orthopaedic survey.

Method: We identified orthopaedic surgeons through the internet-based Orthopaedic Trauma Association member list. All surgeons received the same questionnaire. In a factorial randomized, controlled fashion, they were allocated

to receive or not receive an additional cover page promising co-authorship of the survey’s final paper if they filled in and returned the survey (an “academic incentive”), and

to receive their survey by fax or email.

Results: For 429 surveyed surgeons, six-week response rates were similar for surgeons in the incentive – and no-incentive groups (36.8% vs. 35.4%, respectively, p=0.39). Similarly, response rates did not significantly differ between emailed and faxed surgeons (32.9% vs. 39.9%, respectively, p=0.13). The mean time to response seemed shorter in the incentive-group than in the no-incentive group (p=0.058).

Conclusion: We cannot recommend promising co-authorship to increase the response rates of surveys to orthopaedic surgeons. Additionally, emailed and faxed surveys yielded statistically similar response rates, leaving the decision regarding what modality to employ to time and money constraints.


Orthopaedic Proceedings
Vol. 93-B, Issue SUPP_IV | Pages 582 - 582
1 Nov 2011
Bhandari M Dijkman BG Busse JW Walter SD
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Purpose: Radiographic healing is a common outcome measure in orthopaedic trials and adjudication by outcome assessors is often conducted using only plain radiographs. We explored the effect of adding clinical notes to radiographs in the adjudication process of a pilot trial of tibial shaft fractures.

Method: Radiographic and clinical data from a multicenter clinical trial of 51 patients with operatively treated tibial fractures formed the basis of the study data. An independent adjudication committee of three blinded orthopaedic trauma surgeons evaluated radiographs for time to fracture healing. This committee then evaluated clinical notes associated with each radiographic follow up visit and were asked to either revise or maintain their initial impression. We calculated the proportion of time to healing consensus decisions that changed after evaluation of clinical notes. We further examined the contents of the clinical notes and its relative influence on the committee’s decisions.

Results: Forty-seven of 51 patients were determined to have radiographic evidence of healing during the trial follow-up period, and consideration of the clinical notes resulted in a change of 40% (19 of 47) of time to healing consensus decisions; however, revised decisions were equally likely to support an earlier or a later time to healing.

Conclusion: Addition of clinical notes changed the adjudication committee’s decision of radiographic fracture healing in a substantial number of cases. Our findings suggest that orthopedic trialists should consider the addition of clinical notes to adjudication material in studies of fracture healing.