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[A diagnosis test of stress fracture during basic training set of new military recruits]
1Department of Epidemiology, Fourth Military Medical University, Xi'an 710032, China.
Objective:
To evaluate efficacy of stress fracture (SF) during basic training for military recruits using clinical diagnosis method.
Methods:
Two hundred and eighty-eight suspected SF were checked clinically and with bone scanning as golden standard.
Results:
Sensitivity, specificity, accuracy, positive and negative predictive value, positive and negative likelihood ratios and Youden's index of clinical diagnosis were found to be 97.5%, 61.7%, 91.7%, 92.9%, 82.9%, 2.55, 0.04 and 0.59 respectively when calculated with cases. The agreement rate between two physicians was 81.7% with kappa value 0.64. When calculated with position, the precious measures were 97.2%, 84.1%, 89.7%, 82.0%, 97.6%, 6.12, 0.03, and 0.81 respectively. The agreement rate between two physicians was 94.4% with kappa value 0.88.
Conclusion:
Efficacy reliability and agreement of clinical diagnosis for SF seemed to be satisfactory.
