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Table 2 Number of patients and crude hospital mortality in studies in which outcomes were assessed for nighttime versus daytime discharge

From: Association between time of discharge from ICU and hospital mortality: a systematic review and meta-analysis

First author/publication year

Total number of patients discharged

Discharged during daytime, n (%)

Discharged during nighttime, n (%)

Crude hospital mortality among patients discharged during daytime, %

Crude hospital mortality among patients discharged during nighttime, %

Santamaria et al./2015 [15]

10,211

8539 (83.6)

1672 (16.4)

4.8

7.4

Azevedo et al./2015 [31]

19,622

16,117 (82.1)

3505 (17.9)

8.8

11.8

Gantner et al./2014 [30]

710,535

601,151 (84.6)

109,384 (15.4)

3.6

6.4

Laupland et al./2011 [29]

5992

5333 (89.0)

659 (11.0)

5

9

Singh et al./2010 [10]

1871

1221 (65.3)

650 (34.7)

10.1

13.7

Hanane et al./2008 [13]

11,659

11,241 (96.4)

418 (3.6)

4.5

5.3

Laupland et al./2008 [12]

17,864

14,151 (79.2)

3713 (20.8)

5

12

Pilcher et al./2007 [9]

76,690

62,704 (81.8)

13,986 (18.2)

5.3

8

Tobin et al./2006 [8]

10,903

NA

NA

NA

NA

Priestap et al./2006 [11]

47,062

42,290 (89.9)

4772 (10.1)

9

11.8

Duke et al./2004 [7]

1870

1578 (84.0)

292 (16.0)

4.3

8.2

Uusaro et al./2003 [14]

20,623

16,952 (82.2)

3671 (17.8)

9.8

11.5

Beck et al./2002 [6]

1654

1351 (81.7)

303 (18.3)

11.2

18.8

Goldfrad et al./2000 [5]

16,756

15,747 (94.0)

1009 (6.0)

13

18.1

  1. NA information not available