Severe harm and fatal reports from the Norwegian Incident Reporting System in 2016 and 2017
| All reported errors n (%) | Severe n (%) | Death n (%) | |
| Total number of errors | 3372 | 177 (5.2) | 27 (0.8) |
| Error type* | |||
| Wrong dose/strength or frequency | 1354 (37.5) | 47 (27) | 13 (48) |
| Omitted medicine or dose | 836 (23.2) | 57 (32) | 6 (22) |
| Adverse drug reaction | 77 (2.1) | 24 (13.6) | 3 (11) |
| Wrong drug | 548 (15.2) | 20 (11.3) | 1 (3.7) |
| Wrong route | 198 (5.5) | 10 (5.6) | 1 (3.7) |
| Contraindication | 191 (5.3) | 24 (13.6) | 4 (14.8) |
| Other | 406 (11.3) | 14 (7.9) | 0 (N/A) |
| Medication process stage* | |||
| Administration | 2544 (68) | 96 (54) | 16 (59.3) |
| Prescribing | 888 (23.7) | 70 (39.5) | 11 (40.7) |
| Other | 118 (8.5) | 11 (6.5) | 0(N/A) |
| Health professionals reporting | |||
| Nurse | 2103 (62.4) | 48 (27.0) | 3 (11.0) |
| Physician | 385 (11.4) | 70 (40.0) | 16 (59.0) |
| Other health professionals | 884 (26.0) | 59 (33.0) | 8 (29.0) |
| Patient age (years) | |||
| 0–17 | 266 | 10 | 1 |
| 18–65 | 1283 | 63 | 5 |
| >65 | 1698 | 100 | 21 |
| Missing | 125 | 4 | 0 |
*The total number of error types and medication process stages was greater than the number of incidents because the classification system permitted more than one category to be selected for one incident.