Table 4: Correlations of the FAST sum score*1 with validated scales.

- Spearman’s rho p
PHQ-9 -
Depression symptom severity1
0.57 <0.01
GAD-7 -
Fear and anxiety1
0.50 <0.01
SF-12 -
Physical sub-scale2
-0.01 0.95
SF-12 -
Mental sub-scale2
-0.70 <0.001

* Self-assessment
1 Higher values on the scale indicate a higher burden of depressive symptoms (PHQ-9), symptoms of anxiety (GAD-7), or functional impairment (FAST).
2 Higher values on the scale indicate better health-related quality of life.