![]() ![]() 10 gram monofilament OR loss of sensitivity to vibration (128Hz tuning fork). These preliminary findings are based on a small sample size thus further research is warranted. Usually determined by loss of sensitivity to. The positions of the subjects feet during measurements are shown in Figure 1. This study suggests that assessment of vibration sensation with the tuning fork may be unreliable. A standard 128 Hz tuning fork was used in the measurements. Home Page Products Diagnostics & Equipment Assessment & Diagnostics Diabetic Foot & Neuropathy Testing. Overall, there was 66.2% agreement between the results obtained from the two investigators using the tuning fork at each site however, Kappa values only reached statistical significance at one site, indicating variability between the results from the two tools. There was a positive correlation between the results for the two methods of assessment for both investigators, and also between the results for both tools at three individual sites. A quota sample of patients (n = 21 age range 43-73 years) were assessed using the neurothesiometer and tuning fork by two investigators at five sites on both feet. ![]() The current study compared the effectiveness of the graduated tuning fork (128 Hz) and the neurothesiometer in assessing vibration sensation perception in patients presenting with type II diabetes mellitus. In the patients with vibration perception of 4 seconds or less, 50 had normal monofilament test scores, including 29 of those with absent vibratory sensation. ![]()
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