Table 1.

Characteristics of the cohorts used in model training and recruitment.

cohort	location	patients	median age	sex (M/F)	visits	activity	focus
MUST	Oslo, NO	630	64	30%/70%	1	2010–2013	–
HOSTAS	Leiden, NL	538	62	16%/84%	3	2009–2017	hand
DIGICOD	Paris, FR	377	67	16%/84%	2	2013–2017	hand
PROCOAC	A Coruña, ES	983	68	26%/74%	7	2002–2016	knee/hip
CHECK	Utrecht, NL	1002	58	20%/80%	10	2006–2015	knee/hip