Table 4 Comparison of performance of the scoring system on derivation set and validation set
Derivation set | Validation set | ||||||
|---|---|---|---|---|---|---|---|
Delirium (score ≥ 5) | Non-delirium (score ≤ 4) | Total | Delirium (score ≥ 5) | Non-delirium (score ≤ 4) | Total | ||
Clinical outcomes | Delirium | 19 | 4 | 23 | 8 | 3 | 11 |
Non-delirium | 25 | 111 | 136 | 23 | 69 | 92 | |
Total | 44 | 115 | 159 | 31 | 72 | 103 | |
Sensitivity (%) | 82.61 | 72.73 | |||||
Specificity (%) | 81.62 | 75.00 | |||||