Error category and global quality | All reviews (n=4763) | Errors per review | Repeat reviews (n=1584 = 2 × 792 reviews in total) | ||||
Errors | Mean | SD | Max. | Errors | Individual-level reliability* | Trust-level reliability† | |
Assessment | 903 | 0.19 | 0.58 | 12 | 272 | 0.003 | 0.138 |
Treatment | 824 | 0.17 | 0.54 | 10 | 265 | 0.131 | 0.883 |
Communication | 442 | 0.09 | 0.44 | 14 | 140 | 0.058 | 0.753 |
Medication | 380 | 0.08 | 0.34 | 8 | 129 | 0.072 | 0.794 |
Monitoring | 138 | 0.03 | 0.19 | 4 | 47 | ||
Resuscitation | 38 | 0.01 | 0.10 | 2 | 12 | ||
Infection | 26 | 0.01 | 0.08 | 2 | 11 | ||
Invasive | 25 | 0.01 | 0.08 | 2 | 5 | ||
Other | 75 | 0.02 | 0.13 | 2 | 25 | ||
All errors | 1909 | 0.40 | 0.92 | 15 | 606 | 0.026 | 0.568 |
Global QoC | 0.105 | 0.854 |
*Omitting categories with fewer than 50 errors reported among the repeat reviews.
†Computed from the Spearman-Brown formula with 50 case notes per trust.
QoC, Quality of Care.