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Table 1 Main characteristics of the included studies (evaluation of the CAM-ICU)

From: The confusion assessment method for the intensive care unit (CAM-ICU) and intensive care delirium screening checklist (ICDSC) for the diagnosis of delirium: a systematic review and meta-analysis of clinical studies

Author

N

Year

ICU

Language

Delirium

N (%)

Sensitivity

Specificity

APACHE II

QUADAS

Ely[19]

38

2001

Medical

Coronary

English

33 (87)1

100 (95.2 to 100)

100 (79.4 to 100)

17.1 ± 8.7#

13

Ely[18]

96

2001

Medical Coronary

English

(25.2)2

100 (95.4 to 100)

88.8 (83.8 to 92.7)

23 (18 to 29)*

13

Lin[7]

102

2004

Medical

Chinese

22 (22.4)

95.5 (77.2 to 99.9)

97.5 (91.3 to 99.7)

NR

13

van Eijk[17]

126

2009

General

English Dutch

43 (34)

64.3 (48.0 to 78.4)

88.8 (79.0 to 94.1)

20. 9 ± 7.5#

14

Luetz[4]

156

2010

Surgical

German

63 (40)

78.8 (72.0 to 84.5)

97.1 (94.9 to 98.5)

16 (13 to 19)*

14

Heo[11]

22

2011

Medical

Korean

16 (72.7)

89.5 (78.5 to 98.0)

71.4 (47.8 to 88.7)

25.5 (9 to 39)*

13

van Eijk[14]

181

2011

Medical

Surgical

English Dutch

80 (28.3)

46.7 (35.1 to 58.6)

98.1 (93.4 to 99.8)

18.6 ± 7.5#

13

Gusmao-Flores[9]

119

2011

Medical

Surgical

Portuguese

46 (38.6)

72.5 (56.1 to 85.4)

96.2 (89.3 to 99.2)

15 ± 6#

14

Mitasova[10]

129

2012

Stroke Unit

Czech

55 (42.6)1

78.9 (73.7 to 83.5)

98.3 (97.1 to 99.1)

NR

14

  1. 1During hospitalization, 2% of daily evaluations, NR, not reported, # mean, * median.