Wakefield B, Wakefield DS, Booth BM. Evaluating the validity of blood glucose monitoring strip interpretation by experienced users.
Appl Nurs Res 1992;
5:13-9. [PMID:
1570952 DOI:
10.1016/s0897-1897(05)80078-3]
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Abstract
This study examined interpretations of blood glucose monitoring strips (BGMS) by patients and registered nurses (RNs) experienced in strip use. Visual interpretations of whole and bisected BGMS were compared with readings obtained with a reflectance meter. For whole strips, statistically significant differences were found when mean values of patient interpretations were compared with two of the three RNs and the meter. A significant difference was found between the average meter values and those for a third RN. When bisected strips were interpreted, a significant interaction effect was found between reader and strip condition. The RNs systematically underestimated bisected strips when compared with whole strips, whereas patients consistently underestimated both whole and bisected strips. The findings support the need for development of quality assurance monitors to evaluate users of patient self-care technologies such as BGMS.
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