Page 137 - JSOM Winter 2017
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In practical workshops, in addition to using a technical skills   https://www.ibm.com). For the quality of the database, all the
              learning technique, role playing was performed by simulated   variables were searched for missing and out-of-range values.
              patients with simulated wounds to reinforce the learning.
                Table 1 lists the personnel and tools used during the classes.  The distribution of the quantitative variables was determined
                                                                 by the Kolmogorv-Smirnov test, where the null hypothesis was
              Table 1  Program Resources                         that the quantitative variables would follow a Gaussian distri-
              Resource             Title or Product (no.)        bution. The means were compared to evaluate the results of
              Personnel  Medical director (1)                    the training program. A t test was performed because of the
                        Coordinator/instructor (1)               characteristics of the sample.
                        Instructors (2)
                        Simulated patients (2)                   Normally distributed data are reported as mean (standard
                        C-A-T tourniquets (8)                    deviation [SD]); non-normally distributed data are reported
                             ®
                        Combat Gauze Gauze Trainers              as median (interquartile range [IQR]). The data or qualitative
                                   ®
                        (Z-Medica, http://www.quikclot.com/) (8)  variables are reported as frequency and percentage.
                                  ®
                        NAR ETD 6"  Bandages (North American Rescue,
                        https://www.narescue.com) (6)            To determine the effectiveness of the program, the t test for
                                         ®
                        H&H Bolin Chest Seals  (H and H Medical Corp.,

                        https://buyhandh.com) (6)                related samples (or its nonparametric Wilcoxon counterpart)
              Equipment                                          was used to compare the before and after knowledge (i.e.,
                               ®
                        Simulaids  Simulated Wounds (Simulaids Inc.,
                        https://www.simulaids.com)               test) scores (comparison of means) and the McNemar test for
                                                   ®
                        NAR Tactical Extrication Device TED      comparison of qualitative variables (e.g., vs. group vs. proper
                        (North American Rescue)                  knowledge). The individualized analysis of each of the ques-
                        Blankets, bed sheets, gloves             tions and the improvement (or not) of the responses after the
                        Audovisual projector                     intervention was also performed with the McNemar statistical
                        Pretraining test, post-training test, satisfaction survey  test for related tests.
              Facility  Classrooms (3)
                                                                 The frequency and percentage of the AK variable have been
              The workshops included aspects such as security, self-pro-  calculated in the total sample of participants and in the
              tection, and quickly calling 112 (911 in the United States);   separate groups. The variable determined the success of the
              drag and carry manueuvers; massive hemorrhage control with   program, so the program was successful when 75% of the par-
              tourniquets, hemostatic bandages and direct pressure, and   ticipants reached the status of suitable AK. In all hypothesis
              compressive bandages; basic opening airway maneuvers and   contrasts, the null hypothesis was rejected with a type I error
              recovery position; assessment and management of penetrating   less than .05.
              chest wounds with vented chest seals; and right communica-
              tion and casualty transfer throughout the chain of survival and   All data were protected  and students were guaranteed ano-
              proper management of the same.                     nymity according to Ley Orgánica 15/1999, de 13 diciembre,
                                                                 de Protección de Datos de carácter personal.
              Evaluation
              To evaluate the students’ cognitive abilities, a multiple-choice   Results
              test of 12 questions with four answer options each was used
              as a data collection tool. Students completed the test in an on-  At the time of the completion of this study, seven trainings had
              line phase through the Moodle platform before performing the   been conducted with a total of 173 students (Table 2).
              training and again at the end of training. Adequate knowledge
              (AK) was considered achieved when at least 75% of students   Table 2  Participant Groups
              scored higher on the post-training test than on the pretraining   First   Health   Nursing
              test. Subjects were divided into three groups: health profes-  Responders,  Professionals,   Students,   Total,
              sionals, nursing students, and non-health professional person-  Sex  no. (%)  no. (%)  no. (%)  no. (%)
              nel (i.e., citizens/immediate responders).         Male     40 (83.3   26 (41.3)  8 (12.9)  74 (42.8)
                                                                 Female   8 (16.7)   37 (58.7)  54 (87.1)  99 (57.2)
              The knowledge variable (i.e., knowledge score) was obtained   Total  48 (100.0)  63 (100.0)  62 (100.0)  173 (100.0)
              from the summation of the correct answers on the multiple-
              choice test. A score ranging from 0 to 12 was obtained, with   Table 3 lists the mean scores (±SD) for each group. In the citi-
              the higher score indicating greater knowledge. Each partici-  zen/immediate responder group, a significant difference was
              pant thus had a pre- and post-training knowledge score (quan-  found between the mean pre- and post-training test scores
              titative variables). Therefore, another result variable was   (10.08 [±1.952] versus 11.13 [(±1.361], respectively; p < .05).
              calculated, as follows:                            Similarly, the mean pre-and post-training scores differed signif-
                                                                 icantly in the healthcare professionals group (10.25 [±1.808]
                AK = 1 yes, 2 no (qualitative dichotomous)       versus 11.40 [±0.935]; p < .05) and in the nursing students
                Or  1 = yes, if the condition AK post-training was   group (8.57 [±1.93] versus 11.45 [±0.80]; p < .05).
                   >75% of the total possible is met
                Or  2 = no, if the condition AK post-training was    Table 4 presents pre- and post-training knowledge data. In the
                   ≤75% of the total possible is met             health professionals group, 47 (81%) of the students reached
                                                                 the pretraining score compared with 55 students (98.2%)
              The questionnaires and data collection tools were numerically   who reached the post-training score (p < .05). The magni-
              coded using SPSS statistical software version 20 (IBM Corp.,   tude of effect of the intervention, however, was 0.978 (IQR,

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