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  • Title: [Sensitivity and specificity of a utility model of the detection of diabetic neuropathy].
    Author: Mendoza-Romo MA, Ramírez-Arriola MC, Velasco-Chávez JF, Nieva-de Jesús RN, Rodríguez-Pérez CV, Valdez-Jiménez LA.
    Journal: Rev Med Inst Mex Seguro Soc; 2013; 51(1):34-41. PubMed ID: 23550406.
    Abstract:
    OBJECTIVE: To determine whether a utility model can be used with acceptable sensitivity and specificity for the diagnosis of diabetic peripheral neuropathy (DPN). METHODS: Cross sectional study, non-probability sampling, in 381 type 2 diabetic patients with diabetic foot risk. To determine the DPN, it was evaluated the protective sensation in 10 sites on the foot. It was a positive diagnosis if three or more points showed insensitivity at the touch of the skin with Semmes-Weinstein monofilament (SWM). Monofilament was compared to the utility model (MMU); the diagnostic methods of application were the same for both. RESULTS: Mean age was 62 years, 11 years of development of DM, mean body mass index of 29 kg/m2, average glucose 129 mg/dL (78-264 mg/dL). With sensitivity of 73.68%, 97.67% of specificity, positive predictive value 77.78%, negative predictive value 97.10%, the positive likelihood ratio was 31.59 and the negative likelihood ratio 0.27. CONCLUSION: Currently, diagnostic devices for tactile sensory loss are not readily available in our country; therefore, the results of this research will help to make the diagnosis of the MMU timely, inexpensive and easily accessible.
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