TableĀ 1

The severity and preventability of patient safety incidents as rated by clinical reviewers in both National Health Service Boards

Rating scaleDescriptionAll n (%)
Severity
1Any incident with the potential to cause harm758 (41.0)
2Mild harm, inconvenience, further follow-up or investigation to ensure no harm occurred541 (29.2)
3Moderate harm: required intervention or duration for longer than a day289 (15.6)
4Prolonged, substantial or permanent harm, including hospitalisation262 (14.2)
Preventability
1Not preventable and originated in secondary care262 (14.4)
2Preventable and originated in secondary care OR not preventable and originated in primary care704 (38.7)
3Potentially preventable and originated in primary care465 (25.6)
4Preventable and originate in primary care387 (21.3)