Table 4. Summary scores of the patient-reported outcomes and health literacy.

Scale and Domain	Mean (SD)
ACTS (N = 2,227)
Burden	52 (8.1)
Global burden	4 (1.0)
Benefit	10 (3.0)
Global benefit	3 (1.2)
SF-36 (N = 4,776)
Physical functioning	66 (31.6)
Role Physical	59 (43.3)
Bodily Pain	65 (27.0)
General Health	59 (22.3)
Vitality	52 (23.2)
Social Function	75 (27.9)
Role Emotional	73 (38.7)
Mental Health	75 (18.8)
Physical component	42 (12.4)
Mental health component	50 (10.8)
Health Literacy	N (%)
Adequate	3,946 (82.8)
Inadequate	820 (17.2)