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. 2018 Nov 22;18:880. doi: 10.1186/s12913-018-3664-y

Fig. 1.

Fig. 1

Median and standard deviation (above and below median) for the 30-day stroke SMR and hospitals with a conventional care model (‘No SU‘), a SU facility (‘SU’), a certified SU (‘Cert SU’) and a certified SU within a hospital with a KTQ THQ certificate (‘Cert SU + KTQ’). Note: 1. QSR stroke volume applied as analytical weights; 2. Number of hospitals and associated hospital sites; 3. Mean annual stroke ICD case volume including diagnoses I61 (hemorrhage), I63 (ischemic) and I64 (not further specified)