Table 2 Number and percentage of papers basing on fulfilment of the quality criteria, systematic review on pre-discharge factors and psychiatric readmission [in brackets, corresponding reference numbers]

Yes

15 (25.9%)

[9, 43, 44, 47, 50, 53–55, 58, 62, 66, 69, 72–74]

39 (67.2%)

[9, 14, 15, 20–24, 26–29, 31, 33, 34, 37, 39, 40, 43–45, 47–49, 51–55, 57–60, 62, 66, 69, 72–74]

47 (81.0%)

[7, 9, 14–17, 25–39, 41–51, 53–56, 57–62, 66, 72–75]

41 (80.4%)

[7, 14, 15, 18, 19, 21–25, 27, 28, 31–34, 37, 39–41, 44–54, 56, 58, 59, 61, 62, 66, 69, 72, 74, 75]

25 (43.1%)

[7, 14, 15, 19, 21–24, 26, 27, 33, 35–37, 40, 43, 44, 49–52, 62, 72–74]

34 (58.6%)

[9, 14–17, 19, 21–26, 29, 30, 32, 35, 39, 42, 44, 46, 48, 50–52, 54–56, 59, 60, 62, 63, 66, 69, 75]

46 (80.7%)

[7, 9, 14–27, 29–35, 38–40, 42, 44, 45, 47–52, 54–56, 59–63, 66, 69, 75]

44 (75.9%)

[7, 9, 14–27, 29–33, 35, 39, 40, 44–52, 54–56, 59–63, 66, 69, 75]

No

39 (67.2%)

[7, 14–28, 30, 32–42, 45, 48, 49, 51, 52, 56, 57, 60, 61, 63, 75]

13 (22.4%)

[16, 17, 19, 30, 32, 35, 36, 38, 42, 46, 50, 56, 61]

11 (18.9%)

[18–24, 40, 52, 63, 69]

10 (19.6%)

[17, 35, 36, 38, 42, 43, 55, 60, 63]

21 (36.2%)

[9, 16, 18, 30–32, 38, 39, 42, 47, 53–60, 66, 69, 75]

23 (39.65%)

[7, 18, 20, 27, 28, 33, 34, 36–38, 40, 41, 43, 45, 47, 49, 53, 57, 58, 61, 72–74]

12 (19.3%)

[28, 36, 37, 41, 43, 46, 53, 57, 58, 72–74]

14 (24.1%)

[28, 34, 36–38, 41–43, 53, 57, 58, 72–74]

unclear

4 (6.9%)

[29, 31, 46, 59]

6 (10.3%)

[7, 18, 25, 41, 63, 75]

0

Not applicable in 7 cases [9, 16, 20, 26, 29, 30, 57], as case-control study

12 (20.7%)

[17, 20, 25, 28, 29, 34, 41, 45, 46, 48, 61, 63]

1 (1.7%)

[31]

0

0