Adverse event (AE) risk and rate
| Patients observed | 141 |
| Days of observation, total | 703 |
| Days of surveillance per patient, median (IQR) | 4 (2 to 7) |
| Patients with at least one trigger detected | 73 (52%) |
| Number of triggers detected per patient, median (IQR) | 1 (0 to 2) |
| Number of AEs | 22 |
| Preventable AEs | 15 |
| Number of potential AEs | 41 |
| Number of additional errors/cases with substandard care | 30 |
| Event risk, n (%) | |
| Patients with at least one AE | 17 (12%) |
| Preventable AE | 14 (10%) |
| Patients with at least one potential AE | 32 (23%) |
| Event rate | |
| AE rate | 31 per 1000 patient days |
| Preventable AE rate | 21 per 1000 patient days |
| Potential AE rate | 58 per 1000 patient days |