| Yes: 19 |
No: 81 |
|
Question 2: Do you use a serum tube with separating gel in your laboratory for blood glucose testing? |
| Yes: 100 |
No: 0 |
|
Question 3: Do you use a lithium heparin plasma tube in your laboratory for blood glucose testing? |
| Yes: 62 |
No: 38 |
|
Question 4: Do you use POCT devices for blood glucose testing? (equipment handled directly by laboratory staff) |
| Yes: 37 |
No: 63 |
|
Question 5: What percentage does this tube/device represents compared to the total of glucose tests done in your laboratory? |
| Percentage |
Glyc inhib |
Serum |
Li- Hep |
POCT |
| < 10% |
67 |
3 |
24 |
86 |
| 10 - 25% |
17 |
1 |
59 |
11 |
| 26 - 50% |
11 |
1 |
12 |
3 |
| 51 - 75% |
5 |
8 |
2 |
0 |
| 76- 90% |
0 |
25 |
0 |
0 |
| > 90% |
0 |
62 |
3 |
0 |
|
Question 6: What do you use it for?* |
|
Glyc inhib |
Serum |
Li- Hep |
POCT |
| Routine |
0 |
30 |
5 |
6 |
| Urgent |
4 |
18 |
86 |
37 |
| Diabetology |
18 |
16 |
1 |
11 |
| Distant centers |
22 |
19 |
0 |
4 |
| OGTT |
56 |
17 |
8†
|
12 |
| Before OGTT |
0 |
0 |
0 |
30 |
|
Question 7: What type of glycolysis inhibitor additive do you use? |
| Sodium Fluoride-Potassium Oxalate |
94 |
| Citric/citrate buffer -fluoride-EDTA (liquid) |
0 |
| Citric/citrate buffer -fluoride-EDTA (solid) |
6 |
| Iodoacetate |
0 |
| Other |
0 |
|
Question 8: How do you keep the sample from collection to centrifugation and analysis? |
|
Glyc inhib |
Serum |
Li- Hep |
| In an ice-water slurry |
0 |
0 |
5 |
| Refrigerated |
33 |
0 |
7 |
| Room temperature |
67 |
100 |
88 |
|
Question 9: How long does it take until centrifugation? |
|
Serum |
Li- Hep |
| < 30 minutes in all cases |
21 |
83 |
| < 2 hours in all cases |
31 |
13 |
| < 2 hours mainly |
23 |
2 |
| 2-3 hours mainly |
17 |
2 |
| 2-4 hours mainly |
8 |
0 |
|
Question 10: If the collection-centrifugation period exceeds 30 minutes: Does the report include any warning mentioning the influence of glycolysis on glucose results? |
| Yes: 11 |
No: 89 |
|
Question 11: If the previous answer is affirmative, the origin of the warning is: |
| Experimental study of the own laboratory |
2 |
| Bibliographic references |
7 |
| Other |
1 |
|
Question 12: What type of POCT device do you use? |
| Glucometer with connectivity to LIS |
0 |
| Glucometer without connectivity to LIS |
64 |
| Blood gas analyser |
36 |
| Other |
0 |
| Results are presented as percentage. *Multiple answers are allowed: each laboratory uses the tube/device for several purposes. †Immediate centrifugation after collection. Glyc inhib - glycolysis inhibitor plasma tube. Li-Hep - Lithium-heparin plasma tube. EDTA - ethylenediaminetetraacetic acid. POCT - Point of care testing. OGTT - Oral Glucose Tolerance Test. LIS – laboratory information system. |
