From: Effects of auditing patient safety in hospital care: design of a mixed-method evaluation
Outcome variable | Data source | Frequency (type) of measurement and sample size per measurement | Moments of measurement | Unit of analysis |
---|---|---|---|---|
Primary outcome | ||||
Adverse events and complications | Retrospective patient record review based on a protocol originally developed by the Harvard Medical Practice Study [19] | 2 (before–and-after measurement) n = 400 | - 3 months; + 15 months | Patient |
Secondary outcomes | ||||
Patient experiences | Consumer quality-index questionnaire [29] based on the Consumer Assessment of Healthcare Providers and Systems [30] | 3 (before-and-after measurement) n = 800 | - 3 months; + 9 months and 15 months | Patient |
Standardised mortality rate | Routine administrative data of the hospital | Continuously (time series) n = 233* | Monthly | Patient |
Prolonged hospital stay | Routine hospital administration data | Continuously (time series) n = 3268** | Monthly | Patient |
Team climate | Team Climate Inventory [18] | 2 (before and after measurement) n = 132*** | - 3 months; + 15 months | Professional or team |
Patient safety culture | 2 (before-and-after measurement) n = 132*** | - 3 months; + 15 months | Professional | |
 | 2 (before-and-after measurement) n = 8 | - 3 months; + 15 months | Department |