Figure 2From: A decision aid regarding long-term tube feeding targeting substitute decision makers for cognitively impaired older persons in Japan: A small-scale before-and-after study Knowledge scores. Comparison of mean percent of knowledge questions answered correctly (y-axis) pre- and post-exposure to the tube feeding decision aid (38.1%±13.5%(SD) vs. 64.6%±25.9%(SD), P < .001). Back to article page