Table 3.
Types of error and reported frequency of each error occurring.
| Type of Error, N (% for Each Rows) | Frequency of Errors (% of All Participants) |
||||
|---|---|---|---|---|---|
| ≤One in 1000 Vaccinations | One in 500 Vaccinations | ≥One in 100 Vaccinations | Total Experiencing Error | ||
| Physician (n=250) |
Inadequate shaking of vaccine | 29(11.6) | 30(12.0) | 70(28.0) | 129(51.6) |
| Incomplete aspiration of the reconstitution vial | 31(12.4) | 29(11.6) | 70(28.0) | 130(52.0) | |
| Spillage or leakage during reconstitution | 28(11.2) | 26(10.4) | 52(20.8) | 106(42.4) | |
| Needle twisted when inserted in vial stopper | 18(7.2) | 17(6.8) | 39(15.6) | 74(29.6) | |
| Same needle used for reconstitution and injection | 18(7.2) | 10(4.0) | 30(12.0) | 58(23.2) | |
| Forgetting to reconstitute the vaccine | 16(6.4) | 7(2.8) | 25(10.0) | 48(19.2) | |
| Loss of equipment for reconstitution | 10(4.0) | 3(1.2) | 27(10.8) | 40(16.0) | |
| Reconstitution with incorrect diluent | 11(4.4) | 5(2.0) | 23(9.2) | 39(15.6) | |
| Nurse (n=450) |
Inadequate shaking of vaccine | 42(9.3) | 13(2.9) | 31(6.9) | 86(19.1) |
| Incomplete aspiration of the reconstitution vial | 25(5.6) | 12(2.7) | 29(6.4) | 66(14.7) | |
| Spillage or leakage during reconstitution | 22(4.9) | 13(2.9) | 31(6.9) | 66(14.7) | |
| Needle twisted when inserted in vial stopper | 15(3.3) | 14(3.1) | 24(5.3) | 53(11.8) | |
| Same needle used for reconstitution and injection | 29(6.4) | 4(0.9) | 12(2.7) | 45(10.0) | |
| Forgetting to reconstitute the vaccine | 16(3.6) | 6(1.3) | 12(2.7) | 34(7.6) | |
| Loss of equipment for reconstitution | 9(2.0) | 5(1.1) | 14(3.1) | 28(6.2) | |
| Reconstitution with incorrect diluent | 13(2.9) | 2(0.4) | 7(1.6) | 22(4.9) | |