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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.