Table II.
Descriptive characteristics of participants according to their degree of education and correct answer percentages.
| Question Number | Questions and correct answers | Vocational school of health | Associate degree | Bachelor’s degree | P value |
|---|---|---|---|---|---|
| 1 | Level of education | 50 (16.5%) | 54 (17.9%) | 198 (65.6%) | – |
| 2 | Age (years) | 26.1±8.5 | 37.8±8.8 | 34.9±9.0 | <0.001 |
| 3 | Years health of professional experience working as a | 6.7±7.4 | 17.1±8.8 | 12.2±9.5 | <0.001 |
| 4 | Did you have any previous knowledge of the preanalytic process? Correct answer: Yes, I am aware of that | 7 (14.0%) | 8 (14.8%) | 53 (26.8%) | 0.111 |
| 5 | Have you been educated before about the preanalytical error? Correct answer: Yes | 7 (14.0%) | 11 (20.4%) | 41 (20.7%) | 0.557 |
| 6 | Which stage does the preanalytic process Analyzing not sample cover? and Correct reporting answer: the results | 32 (64.0%) | 40 (74.1%) | 153 (77.3%) | 0.157 |
| 7 | What percentage of incorrect results are due to the preanalytical process? Correct answer: 70% | 17 (34.0%) | 20 (37.0%) | 94 (47.5%) | 0.133 |
| 8 | Which disinfectant should be used before ethanol collecting analysis)? blood (except for Correct answer: Alcohol (70%) | 40 (80.0%) | 44 (81.5%) | 165 (83.3%) | 0.840 |
| 9 | Is disinfection? it possible to Correct palpate answer: after No | 43 (86.0%) | 54 (100.0%) | 194 (98.0%) | 0.000 |
| 10 | How kept? long Correct the tourniquet answer: 1 minute should be | 13 (26.0%) | 24 (44.4%) | 77 (38.9%) | 0.130 |
| 11 | Which of the following is not a preanalytical error? Correct answer: Incorrect reporting | 41 (82.0%) | 43 (79.6%) | 174 (87.9%) | 0.236 |
| 12 | Which test is not affected by hemolysis? Correct answer: Glucose | 18 (36.0%) | 24 (44.4%) | 90 (45.5%) | 0.481 |
| 13 | Please make the order of the tubes mentioned below: Correct answer | ||||
| Blood culture bottle (1) | 5 (10%) | 18 (33.3%) | 44 (22.2%) | 0.017 | |
| Coagulation tube (blue cap) (2) | |||||
| Hemogram tube (lavender cap) (4) | |||||
| Biochemistry tube (yellow/red cap) (3) | |||||
| 14 | Which of the following tube/tubes are turned upside-down? Correct answer: All | 24 (48.0%) | 35 (64.8%) | 107 (54.0%) | 0.205 |
| 15 | In clotting which occur? tubes should Correct not answer: the All | 35 (70.0%) | 42 (77.8%) | 164 (82.8%) | 0.120 |
| 16 | How long the blood samples taken for biochemistry to the laboratory tests at should the latest? be delivered Correct answer: 1 hour | 12( 24.0%) | 18 (33.3%) | 58 (29.3%) | 0.576 |
| 17 | What are the most common error sources that you were informed? | - Inadequate sampling | - Inadequate sampling | - Sample with clot | |
| - Sample with clot | - Sample with clot | - Hemolyzed sample | |||
| - Hemolyzed sample | - Sample identification error | - Inadequate sampling | |||
| - Sample identification error | - Hemolyzed sample | - Sample identification error | |||
| - Sampling to the incorrect tube | - Sampling to the incorrect tube | - Sampling to the incorrect tube | |||
| Total correct answer | 280 (51.0%) | 362 (61.0%) | 1320 (61.0%) | <0.001 |