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Table 2 Diabetic foot ulcer prevalence according to five methods (N = 866,881)

From: Diagnostic accuracy of existing methods for identifying diabetic foot ulcers from inpatient and outpatient datasets

Method Cases Prevalence Agreement among methods*
    Holzer Mayfield Ramsey Harrington New
Holzer 31,516 3.64% - 90.1% 75.3% 89.7% 85.0%
Mayfield 33,533 3.87% 84.7% - 70.7% 82.0% 79.9%
Ramsey 23,721 2.74% 100.0% 100.0% - 100.0% 100.0%
Harrington 28,300 3.26% 99.9% 97.2% 83.8% - 94.7%
New 26,801 3.09% 100.0% 100.0% 88.5% 100.0% -
  1. * Indicates percent patients identified by the method on the row as having a diabetic foot ulcer is also identified as having an ulcer according to the method on the column. For example, Holzer method identified 84.7% of all patients identified by Mayfield method as having an ulcer.