Table 2.

Reliability of wbPRO collection based on correlation between wbPROs and standard PROs

	Correlation between PROs (r)
Encounter	MSWS-12	MFIS	Symptom Tracker
(a) Baseline (web-based/standard)	0.973	0.944	0.922
(b) Six Months (web-based/standard)	0.973	0.912	0.959
(c) Baseline vs Six Months (both standard)	0.933	0.780	0.886
(d) Baseline vs Six Months (both web-based)	0.957	0.794	0.941
(e) Baseline (standard) vs Six Months (web-based)	0.936	0.816	0.801
(f) Baseline (web-based) vs Six Months (standard)	0.944	0.789	0.934

PRO: Patient-Reported Outcome; MSWS-12: MS Walking Scale; MFIS: Modified Fatigue Impact Scale