. Author manuscript; available in PMC: 2022 Mar 3.

Published in final edited form as: Neurorehabil Neural Repair. 2021 Jul 30;35(10):880–889. doi: 10.1177/15459683211033854

Table 3.

Summary of Primary and Secondary Crosswalk Assessment Criteria by Method and Dataset.

	Expert panel			Equipercentile FIM® and SCIM III			Rasch FIM® and SCIM III
	Swiss	US	Canada	Swiss	US	Canada	Swiss	US	Canada
Primary criterion
Correlation coefficient (r > .866)	✔	✔	✔	✔	✔	✔	✔	✔	✔
Secondary criteria
Subpopulation invariance (SMD ≤ .08)
Gender	NA	✔	✔	NA	0	✔	NA	0	✔
Age 0–30, 31–60	NA	0	0	NA	0	✔	NA	0	✔
Age 31–60, 61–100	NA	✔	✔	NA	✔	✔	NA	✔	✔
Neurological level of injury (paraplegia, tetraplegia)	NA	✔	✔	NA	0	✔	NA	0	✔
Severity of injury (motor complete, motor incomplete)	NA	0	✔	NA	0	✔	NA	0	✔
Significant difference in means, SD > 1 unit difference ⁽⁺⁾	0	0	0	✔	✔/0	✔	✔	0⁺	✔
Cohen’s effect size (≤.2)	0	0	0	✔	✔/0	✔	✔	0	✔
Point difference (<75%)	✔	0	✔	✔	✔	✔	✔	✔	✔

✔= met criteria for FIM® and SCIM, 0 = did not meet criteria for FIM® and SCIM III, ✔/0 = met criteria for FIM®, did not meet criteria for SCIM III.

Abbreviations: SMD, smallest mean difference; SD, standard deviation; FIM®, Functional Independence Measure; SCIM III, Spinal Cord Independence Measure III.