Appendix 1.

Participating clinics and enrolled patient numbers

Participating clinic	Type of clinic	Interviewed patients	Patients with need of outpatient prophylaxis
Universitätsklinik Friedrichsheim	Acute clinic	24	11
DRK Kliniken Berlin Mitte	Acute clinic	11	10
Universitätsklinikum Greifswald	Acute clinic	92	82
Charité Campus Mitte	Acute clinic	77	71
Remigius-Krankenhaus Opladen	Acute clinic	117	100
Asklepios Klinik Lindenlohe	Acute clinic	52	42
Dietrich Bonhoeffer Klinikum Neubrandenburg	Acute clinic	194	163
DRK Krankenhaus Sömmerda	Acute clinic	23	15
Krankenhaus Marta-Maria	Acute clinic	46	42
Orthopädische Klinik Universität Hannover	Acute clinic	32	27
Klinik am Stein Düsseldorf	Outpatient rehabilitation facility	30	28
Ambulantes Reha-Centrum Dresden	Outpatient rehabilitation facility	23	23
Reha Tagesklinik im Forum Pankow	Outpatient rehabilitation facility	26	24
Ortho-Mobile Hattingen	Outpatient rehabilitation facility	86	84
ZAR Trier	Outpatient rehabilitation facility	16	15
ZAR Stuttgart	Outpatient rehabilitation facility	27	27
Ortho-Med GmbH	Outpatient rehabilitation facility	69	67
ZAR Münster	Outpatient rehabilitation facility	17	15
Orthopädisches Zentrum Rothenburg	Inpatient rehabilitation facility	202	187
Asklepios Klinik Bad Schwartau	Inpatient rehabilitation facility	58	55
Johannesbad Raupennest	Inpatient rehabilitation facility	196	170
Klinik Dr. Vötisch	Inpatient rehabilitation facility	77	59
SUM		1495	1317*

* Two patients with insufficient data; 1315 patients’ data were used for nonadherence analysis.