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. 2022 Jul 15;9(5):3380–3392. doi: 10.1002/ehf2.14061

Figure 2.

Figure 2

Box plot for known‐groups validity for PROMIS+HF‐27 profile by New York Heart Association (NYHA) class. With each increase in self‐reported NYHA class, there was a significant graded increase in mean PROMIS+HF‐27 overall (A) and physical health (B) summary scores (F‐value <0.001). The solid line represents median score, and the circle represents mean score. The box represents the inter‐quartile range of scores and whiskers the min and max values observed within each class. HF, heart failure; P+HF, PROMIS+HF; PROMIS, Patient‐Reported Outcomes Measurement Information System.