Characteristics of 28 included articles
| Characteristics | N (%) |
| Country | |
| USA | 9 (32) |
| Europe | 6 (21) |
| Australia | 5 (18) |
| Canada | 4 (14) |
| Other | 4 (14) |
| Study design | |
| Randomised controlled trial | 3 (11) |
| Controlled before-and-after | 6 (21) |
| Uncontrolled before-and-after | 19 (68) |
| Type of communication SBAR was applied to improve | |
| Handover between wards, handover at shift change and patient transfers | 16 (57) |
| Changes in patient status or obtaining immediate help with patients | 13 (46) |
| Other (general communication, multidisciplinary rounds) | 3 (11) |
| Disciplines involved in the communication | |
| Interdisciplinary | 15 (54) |
| Nurse to physician | 12 (80) |
| Other | 3 (20) |
| Intradisciplinary | 15 (54) |
| Nurse to nurse | 9 (60) |
| Physician to physician | 6 (40) |
| Type of outcomes reported | |
| Fidelity of SBAR use | 9 (32) |
| In classroom setting | 4 (44) |
| Clarity of communication | 8 (28) |
| In class room setting | 3 (38) |
| Impact beyond communication | 17 (61) |