Table 3.

PROMIS Pediatric Mean Scores (SD) of Participants by Age Group and Time

	Time Point 1 (n=53)			Time Point 2 (n=51)
PROMIS Domain mean (SD)	8–12 Yrs (n=19)	13–17 Yrs (n=34)	Total	8–12 Yrs (n=20)	13–17 Yrs (n=31)	Total
Physical Activity	43.5 (12.1)	40.5 (7.6)	41.6 (9.4)	37.8 (8.0)	38.4 (10.2)	38.2 (9.3)
Physical Function - Mobility	47.2 (8.5)	41.6 (8.2)	43.6 (8.6)	44.1 (11.1)	41.1 (9.3)	42.3 (10.1)
Pain Interference	43.7 (8.0)	46.6 (9.4)	45.6 (9.0)	45.8 (12.3)	47.3 (8.9)	46.7 (10.3)
Fatigue	42.2 (11.5)	48.1 (11.0)	46.0 (11.5)	46.0 (16.7)	49.1 (11.0)	47.9 (13.5)
Depressive Symptoms	43.7 (9.5)	46.6 (10.1)	45.5 (9.9)	45.5 (12.2)	45.8 (10.6)	45.7 (11.1)
Anxiety	43.9 (9.4)	44.8 (10.2)	44.5 (9.8)	45.9 (12.0)	43.6 (10.0)	44.5 (10.8)
Psychological Stress	49.0 (10.5)	50.6 (8.6)	50.0 (9.3)	50.0 (13.0)	50.1 (9.8)	50.1 (11.1)

Abbreviations: PROMIS, Patient-Reported Outcome Measurement Information System; SD, standard deviation; Yrs, years.