Table 4.

Bland–Altman statistics: EDSS > 5.5.

	Tool 1	Tool 2	Tool 3	Tool 4	Tool 5	All tools combined
Reference	Leddy et al.8	Bowen et al.4	Cheng et al.5	Lechner-Scott et al.7	Goodin6
N	23	32	24	42	13	134
Minimum difference	−3	−1	−3	−1	−1	−3
Maximum difference	1	1	2	1	0	2
Mean difference	−0.02	0.03	0.06	−0.08	−0.12	−0.02
Standard deviation	0.92	0.22	0.86	0.33	0.30	0.57
Upper 95% limit of agreement	1.79	0.46	1.76	0.56	0.47	1.10
Lower 95% limit of agreement	−1.83	−0.40	−1.63	−0.73	−0.70	−1.14
Difference between 95% limits of agreement	3.62	0.85	3.39	1.29	1.17	2.24

EDSS: Expanded Disability Status Scale.