32 Chapter 2 Figure 2 Scatterplot relating the total number of EPOC implementation strategies used to the relative change percentage in patient-related nursing outcomes for the controlled studies Figure 3 Scatterplot relating the total number of EPOC implementation strategies used to the relative change percentage in patient-related nursing outcomes for the before-after studies We created three groups of studies with comparable patient-related nursing outcomes regarding comparable nursing guidelines. One group consisted of five studies [69, 71-74] regarding pressure ulcers. The median relative change percentage for these studies was 27.8 (IQR 11.1 – 58.3). The outcomes were comparable between these studies,
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