Table 2.

Means and Standard Deviations (SD), Paired Samples T-tests, and Correlations of Patient and Proxy Report across PROMIS Domains, Pain Catastrophizing Scale (PCS), and Pain Intensity

Measure	Patient			Proxy			Patient/Proxy
	M	(SD)	N	M	(SD)	N	t	95% CI	Cohen’s d	df	r
PROMIS Mobility	63.24	−8.03	352	63.51	−8.22	341	−1.19	−0.93, −0.23	-	340	0.78**
PROMIS Pain Interference	59.37	−8.44	352	62.62	−7.75	341	−8.12**	−4.12, −2.51	0.44	340	0.56**
PROMIS Fatigue	60.02	−11.90	351	62.72	−11.01	341	−5.70**	−3.69, −1.80	0.31	340	0.70**
PROMIS Peer Relations	52.67	−9.77	351	55.91	−9.49	341	−6.61**	−4.06, −2.20	0.36	340	0.59**
PROMIS Anxiety	52.15	−10.30	351	57.46	−10.99	341	10.91**	−6.30, −4.37	0.59	340	0.64**
PROMIS Depression	53.89	−11.10	350	55.93	−10.35	341	−4.24**	−3.01, −1.10	0.23	340	0.65**
PCS-C/PCS-P	23.61	−12.35	352	21.81	−11.34	343	2.41*	−0.33, −3.21	0.13	342	0.34**
Pain - Current	4.54	−2.67	344	4.46	−2.66	337	1.05	−0.08, −0.26	-	336	0.82**
Pain-Average	5.63	−2.08	344	5.55	−2.10	337	0.53	−0.13, −0.22	-	336	0.69**
Pain – Highest	7.76	−2.06	344	7.64	−2.21	337	1.03	−0.10, −0.33	-	336	0.56**
Pain – Lowest	3.18	−2.28	344	3.12	−2.24	337	0.47	−0.13, −0.22	-	336	0.74**

Note: PROMIS scores are based on T-score distribution with a mean of 50 and SD of 10. Pain intensity score is based on 11-point Numeric Rating Scale.

^*p<.05 &

^**p<.001