1. Interobserver and Intraobserver Reliability of the Modified Waldenström Classification System for Staging of Legg-Calvé-Perthes Disease
by Joshua E. Hyman, Evan P. Trupia, Margaret L. Wright, Hiroko Matsumoto, Chan-Hee Jo, Kishore Mulpuri, Benjamin Joseph, Harry K.W. Kim, and
J Bone Joint Surg Am
Volume 97(8):
April 15, 2015
©2015 by The Journal of Bone and Joint Surgery, Inc.

2. The modified Waldenström classification system for staging of Legg-Calvé-Perthes disease.
The modified Waldenström classification system for staging of Legg-Calvé-Perthes disease. A detailed visual and textual representation of the full, seven-stage classification system covers the disease process from early sclerosis (stage IA) to fully healed (stage IV). AP = anteroposterior.
Joshua E. Hyman et al. J Bone Joint Surg Am 2015;97:
©2015 by The Journal of Bone and Joint Surgery, Inc.

3. User interface of surveys 1 and 2 showing an unaltered screen capture of a case scenario provided to participating surgeons, as created by the SurveyMonkey program.
User interface of surveys 1 and 2 showing an unaltered screen capture of a case scenario provided to participating surgeons, as created by the SurveyMonkey program.
Joshua E. Hyman et al. J Bone Joint Surg Am 2015;97:
©2015 by The Journal of Bone and Joint Surgery, Inc.

4. User interface of surveys 3 and 4 showing an unaltered screen capture of a case scenario provided to participating surgeons, as created by the SurveyMonkey program.
User interface of surveys 3 and 4 showing an unaltered screen capture of a case scenario provided to participating surgeons, as created by the SurveyMonkey program.
Joshua E. Hyman et al. J Bone Joint Surg Am 2015;97:
©2015 by The Journal of Bone and Joint Surgery, Inc.