Table 4.

Correlations of PROMIS CAT instruments with patient-reported outcomes at baseline.

PROMIS CAT Instruments	SF-36 Subscales								SF-36 Summary Scores		Global Assessment Scores
PROMIS CAT Instruments	Vital	PF	BP	SF	MH	GH	RE	RP	PCS	MCS	PtGA	PGA
Fatigue	−0.67^*	−0.51^*	−0.52^*	−0.59^*	−0.44^*	−0.44^*	−0.49^*	−0.59^*	−0.65^*	−0.54^*	0.48^*	0.19^*
Physical function	0.50^*	0.73^*	0.53^*	0.47^*	0.30^*	0.40^*	0.40^*	0.63^*	0.81^*	0.29^*	−0.43^*	−0.11^*
Pain interference	−0.52^*	−0.51^*	−0.62^*	−0.52^*	−0.40^*	−0.36^*	−0.43^*	−0.54^*	−0.71^*	−0.43^*	0.44^*	0.07
Applied cognitive abilities	0.50^*	0.36^*	0.38^*	0.47^*	0.46^*	0.34^*	0.48^*	0.44^*	0.41^*	0.54^*	−0.34^*	−0.12^*
Sleep disturbance	−0.38^*	−0.24^*	−0.28^*	−0.46^*	−0.41^*	−0.26^*	−0.39^*	−0.28^*	−0.31^*	−0.53^*	0.32^*	0.17^*
Social participation	0.49^*	0.62^*	0.50^*	0.63^*	0.43^*	0.34^*	0.48^*	0.59^*	0.72^*	0.48^*	−0.51^*	−0.10
Sleep-related impairment	−0.44^*	−0.21^*	−0.37^*	−0.44^*	−0.40^*	−0.30^*	−0.43^*	−0.37^*	−0.31^*	−0.53^*	0.30^*	0.13^*
Anger	−0.24^*	−0.16^*	−0.21^*	−0.34^*	−0.39^*	−0.21^*	−0.34^*	−0.18^*	−0.10	−0.46^*	0.21^*	0.10
Social isolation	−0.45^*	−0.33^*	−0.32^*	−0.48^*	−0.56^*	−0.31^*	−0.48^*	−0.37^*	−0.30^*	−0.58^*	0.23^*	0.07
Anxiety	−0.50^*	−0.24^*	−0.34^*	−0.51^*	−0.64^*	−0.33^*	−0.54^*	−0.32^*	−0.21^*	−0.70^*	0.20^*	0.07
PtGA	−0.40^*	−0.40^*	−0.47^*	−0.42^*	−0.25^*	−0.36^*	−0.31^*	−0.45^*	−0.54^*	−0.31^*	1.00^*	0.29^*
PGA	−0.16^*	−0.14^*	−0.15^*	−0.18^*	−0.09^*	−0.09^*	−0.14^*	−0.18^*	−0.17^*	−0.15^*	0.29^*	1.00^*

Spearman correlation coefficients between scores from 10 PROMIS CAT domains, SF-36 subscales, SF-36 summary scores, and global assessment scores.
↵* P < 0.05. PROMIS: Patient Reported Outcomes Measurement Information System; CAT: computer adaptive testing; SF-36: Medical Outcomes Study Short Form-36; Vital: Vitality; PF: physical function; BP: bodily pain; SF: social function; MH: mental health; GH: general health; RE: role emotional; RP: role physical; PCS: physical component summary; MCS: mental component summary; PtGA: patient’s global assessment for disease activity; PGA: physician’s global assessment.