Figure. Group Physical Therapy (PT) Flow Diagram.

^aReasons for not enrolling included loss to follow-up, change in clinic priorities, and staffing shortages.

^bRegardless of randomization, all sites received low-touch supports for the study duration.

^cA total of 189 patients enrolled during months 1 to 12, but analysis was conducted on the 144 who enrolled during months 7 to 12.

^dAdoption assessment was defined as delivery of group PT as a clinical service (at least 1 class) and enrollment of at least 5 patients.

^eSustainment assessment was defined as enrolling 15 or more new patients between months 7 and 9.

^fThe site that withdrew from the study after the 6-month assessment was still included in the intention-to-treat (ITT) analysis.