| Incident type (n = 4846) | High risk score (score 3 or 4) | Odds ratio* (95%CI) |
| No (valid %)† | ||
| Mechanical ventilation (n = 414) | 211 (52) | 2.45 (2.00 to 3.02) |
| Intravascular lines/cannulas | ||
| Intravascular lines (n = 245) | 93 (39) | 1.32 (1.01 to 1.72) |
| Peripheral infusion cannulas (n = 214) | 61 (30) | 0.92‡ (0.67 to 1.25) |
| Other material/equipment (n = 669) | 204 (32) | 0.95‡ (0.79 to 1.13) |
| Medication/nutrition/blood products | ||
| Blood products (n = 52) | 28 (56) | 2.64 (1.50 to 4.62) |
| Parenteral nutrition (n = 304) | 118 (41) | 1.36 (1.06 to 1.73) |
| Medication (n = 1321) | 387 (31) | 0.86 (0.74 to 0.99) |
| Wrong dose/infusion rate (376) | 152 (43) | 1.59 (1.28 to 1.99) |
| Enteral nutrition (n = 368) | 48 (14) | 0.31 (0.23 to 0.43) |
| Diagnostic procedures (n = 621) | 141 (24) | 0.62 (0.51 to 0.76) |
| Other incident type (n = 557) | 194 (37) | 1.23 (1.02 to 1.49) |
| Combination of incident types (n = 81) | 27 (35) | 1.13‡ (0.70 to 1.82) |
*Odds ratios for the selected type of incident versus all other types of incidents. Corrected if required for unit, birth weight, gestational age and actual age.
†Risk score missing in <5%.
‡Not significant.