Table 5.

Weighted Differences in Interval PROM/Pain Score Improvement Between Patients With (Hip-Spine) and Without (Matched Control) Hip-Spine Syndrome From Baseline Through 24-Month Follow-up ^a

PROM	Weighted Difference in Mean Improvement (95% CI) b	P
mHHS	−2.5 (–7.7 to 2.7)	.339
HOS-ADL	−1.5 (–7.3 to 4.3)	.609
HOS-SS	4.6 (–4.8 to 14.0)	.336
NAHS	4.0 (–1.6 to 9.6)	.161
iHOT-33	2.0 (–5.5 to 9.5)	.601
VAS	0.0 (–0.9 to 0.9)	.981

^aWeighted differences in improvements are reported as mean (95% CI). HOS-ADL, Hip Outcome Score–Activities of Daily Living; HOS-SS, Hip Outcome Score–Sports Subscale; iHOT-33, International Hip Outcome Tool–33; mHHS, modified Harris Hip Score; NAHS, Non-Arthritic Hip Score; PROM, patient-reported outcome measure; VAS, visual analog scale.

^bReference group: matched control cohort.