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. 2018 Apr;24(3):502-512.
doi: 10.1177/1076029617746505. Epub 2017 Dec 19.

Validation of a Patient-Completed Caprini Risk Assessment Tool for Spanish, Arabic, and Polish Speakers

Luis H Paz Rios  1 , Harry E Fuentes  1 , Diana M Oramas  2 , Xavier A Andrade  1 , Ahmed Al-Ogaili  1 , Mina Iskander  1 , Fady Iskander  1 , Amir Nagui Abdalla Iskandar  3 , Wictoria Kowacz  1 , Adam Iwanski  1 , Christine Acob  1 , Luis Diaz Quintero  4 , Juan Pablo Salazar-Adum  4 , Alfonso Tafur  5 , Joseph A Caprini  6
Affiliations

Validation of a Patient-Completed Caprini Risk Assessment Tool for Spanish, Arabic, and Polish Speakers

Luis H Paz Rios et al. Clin Appl Thromb Hemost. 2018 Apr.

Abstract

Targeted prophylaxis for venous thromboembolism (VTE) using the Caprini risk score (CRS) is effective reducing postoperative VTE. Despite its availability as preventive strategy, risk scoring remains underutilized. Critics to the CRS contend the time it takes to complete, and its limitation to English language. Aim is to create and validate patient-completed CRS tools for Spanish, Arabic, and Polish speakers. We translated the first patient-completed CRS to Spanish, Arabic, and Polish. We conducted a pilot study followed by the validation study. Using PASS version 11, we determined that a sample size of 37 achieved a power of 80%, to detect a difference of 0.1 between the null hypothesis correlation of 0.5 and the alternative hypothesis correlation of 0.7 using a 2-sided hypothesis test, significance level of .05. We tabulated and categorized scores using SPSS version 23 to estimate κ, linear correlation, and Bland Altman test. κ value >0.8 was defined as "almost perfect agreement." From 129 recruited patients, 50 (39%) spoke Spanish, 40 (31%) spoke Arabic, and 39 (30%) spoke Polish; average age 51 (16.69) years, 58 (45%) were men, with less than college education (67%). Mean (standard deviation) CRS was 5 (3.90), the majority (63%) above moderate VTE risk. We report excellent agreement comparing physician and patient results (κ = 0.93) and high correlation 0.97 ( P < .01) for the overall score. Bland Altman did not show trend for extreme values. We created and validated the first Spanish, Arabic, and Polish versions of the patient-completed CRS, with excellent correlation and agreement when compared to CRS-trained physician-completed form. Based on these results, the physician needs to calculate the body mass index. Completing the form was not time-consuming.

Keywords: Caprini risk assessment; language validation; patient-completed; risk assessment model; thrombosis prophylaxis; venous thromboembolism.

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Conflict of interest statement

Declaration of Conflicting Interests: The author(s) declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.

Figures

Figure 1.
Figure 1.
Spearman correlation.
Figure 2.
Figure 2.
Bland Altman.
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