Table 2.

Pearson and Spearman correlations between PROMIS and knee arthroplasty legacy instruments

Author	N	PROMIS Domain	Legacy	Correlation	p-Value
Khalil et al. [19]	875	PROMIS GPH	KOOS-JR	0.51^*	< .001
Padilla et al. [20]	124	PROMIS PF	KOOS-JR	0.54^*	< .01
		PROMIS PI	KOOS-JR	(−)0.64^*	< .01
		PROMIS PIs	KOOS-JR	(−)0.63^*	< .01
Heng et al. [23]	1003	PROMIS PF	KOOS-ADL	0.84^**	NR
Heng et al. [23]	1003	PROMIS PF	KOOS-ADL Sports	(−)0.81^**	NR
Austin et al. [21]	217	PROMIS GPH (preoperative)	M-SANE	0.28^**	< .001
		PROMIS GPH (1–90 days)	M-SANE	0.4^**	< .001
		PROMIS GPH (270–365 days)	M-SANE	0.65^**	< .001
		PROMIS GMH (preoperative)	M-SANE	0.15^**	< .001
		PROMIS GMH (1–90 days)	M-SANE	0.26^**	< .001
		PROMIS GMH (270–365 days)	M-SANE	0.31^**	< .001
		PROMIS GPH (preoperative)	KOOS-JR	0.62^**	< .001
		PROMIS GPH (1–90 days)	KOOS-JR	0.6^**	< .001
		PROMIS GPH (270–365 days)	KOOS-JR	0.7^**	< .001
		PROMIS GMH (preoperative)	KOOS-JR	0.33^**	< .001
		PROMIS GMH (1–90 days)	KOOS-JR	0.33^**	< .001
		PROMIS GMH (270–365 days)	KOOS-JR	0.36^**	< .001
Shim et al. [25]	721	PROMIS GPH	OKS	0.57^*	< .001
Shim et al. [25]	721	PROMIS GMH	OKS	0.14^*	< .001
Nwanko et al. [29]	404	PROMIS GPH	BRS	0.32^*	< .05
Nwanko et al. [29]	404	PROMIS GMH	BRS	0.64^*	< .05
Tang et al. [32]	3667	PROMIS PF	KOOS-PS	(−)0.79^*	NR

^*Denotes Pearson’s correlation coefficient

^**Denotes Spearman’s correlation coefficient