Fig. 3

Associations between physical outcomes and PROMs. Heatmap visualizing the strength of the associations between physical outcomes and PROMs. Each cell represents one linear regression model. The standardized regression coefficient are displayed to ensure the comparability of different models. Green indicates a negative association, red a positive one. The stronger the association, the more intense the color. Statistically significant coefficients are indicated by *. Detailed results including estimates for sex, disease duration and the use of wheelchair and ventilator can be found in the supplemental material