OBJECTIVE To evaluate the intraexaminer and interexaminer reliability of low-cost commercial devices to measure skin tone, moisture, and oiliness; determine associations with the Fitzpatrick Scale; and compare results with those of widely used commercial equipment. METHODS Researchers bilaterally collected a total of 36 samples from 18 participants. For data acquisition, two experienced raters were considered for skin index assessment. Evaluations were conducted independently, with measurements taken at two different times with an interval between them, thus enabling intrarater and interrater reliability measures. The measurements were made with two low-cost devices and compared with those acquired using standard equipment for such analyses. RESULTS For the intraexaminer reliability results, the authors observed intraclass correlation coefficient ranging from moderate to high reliability between these tools (0.747-0.971). Regarding interexaminer reliability, intraclass correlation coefficient ranging from moderate to high (0.541-0.939) were observed. For the results of the correlations, a moderate to a large association was observed for skin tone. However, a small association for moisture was observed among the tools. CONCLUSIONS Evaluations of skin tonality, oiliness, and moisture showed moderate to excellent intrareliability and interreliability. These methods can be applied in different environments, especially clinics, because of their low cost and ease of use.
Functional compressive bandaging (FCB) is a therapeutic resource used to control lymphedema resulting from the treatment of breast cancer. However, the reliability of the technique is unknown. We evaluated intra- and inter-rater reliability of the spiral technique in the four-layer FCB of the arm and forearm in breast cancer survivors with lymphedema. Forty-five breast cancer survivors with a mean age of 64.88±10.01 years participated in the study. Evaluations were performed by two examiners at different times analyzing the pressure exerted (mmHg) by the spiral FCB in the arm and forearm of the upper limb affected by lymphedema. The intraclass correlation coefficient (ICC2,1) was used to determine intra- and inter-examiner reliability, with a 95% confidence interval, minimum detectable change, and standard error of the measurement. Intra-rater reliability was considered low to high in the arm and forearm region. Inter-rater reliability in the arm region was considered low and in the forearm region low to moderate. Our results indicate that spiral FCB has low to moderate intra-examiner and inter-examiner reliability.
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