Table 3.
Sensitivity, specificity and reliability of the CAM-ICU and ICDSC
| Study (Year)a | Delirium Screening Tool |
N | Delirium Prevalence (%) |
Sensitivity (%) |
Specificity (%) |
Reliability |
|---|---|---|---|---|---|---|
| Ely (2001) | CAM-ICU | 36 | 87 | 95 & 100 | 93 & 89 | 0.79–0.95 |
| Ely (2001) | CAM-ICU | 96 | 83 | 93 & 100 | 98 & 100 | 0.96 |
| Lin (2004) | CAM-ICU | 102 | 22 | 91 & 95 | 98 | 0.91 |
| Guenther (2009) | CAM-ICU | 54 | 46 | 88 & 91 | 100 | 0.96 |
| Tobar (2009) | CAM-ICU | 29 | 42 | 80 & 83 | 96 & 96 | 0.91 |
| vanEijk (2009) | CAM-ICU | 126 | 42 | 64 | 88 | 0.75–0.85 |
| Luetz (2010) | CAM-ICU | 156 | 40 | 81 | 96 | 0.89 |
| Toro (2010) | CAM-ICU | 129 | 26 | 79 | 98 | 0.79 |
| Heo (2011) | CAM-ICU | 22 | 73 | 90 & 77 | 72 & 76 | 0.81 |
| Gusmão-Flores (2011) | CAM-ICU | 119 | 39 | 72.5 | 96.2 | NRb |
| Mitasova (2011) | CAM-ICU | 129 | 43 | 76 | 98 | 0.94 |
| vanEijk (2011) | CAM-ICU | 181 | 41 | 47 | 98 | 0.63 |
| Bergeron (2001) | ICDSC | 93 | 16 | 99 | 64 | 0.71–0.79 |
| vanEijk (2009) | ICDSC | 126 | 23 | 43 | 95 | 0.75–0.86 |
| George (2011) | ICDSC | 59 | 34 | 74 | 75 | 0.95 |
| Radtke (2009) | ICDSC | 68 | 69 | 89 | 57 | NR |
| Gusmão-Flores (2011) | ICDSC | 119 | 39 | 96 | 72.4 | NRb |
a
All studies used American Psychiatric Associations’ Diagnostic and Statistical Manual Criteria for delirium.
b
Not Reported
CAM-ICU, Confusion Assessment Method for the Intensive Care Unit. ICDSC, Intensive Care Delirium Screening Checklist.