Clinical usefulness of 100 haemoglobin tests using different methods
| Test method | Variation between haemoglobin results from test and reference method | ||
|---|---|---|---|
| 0 to 10 g/l | 11 to 20 g/l | More than 20 g/l (“wasted” tests) | |
| HemoCue | 97 | 2 | 1 |
| Jenway colorimeter | 96 | 3 | 1 |
| WBA colorimeter | 76 | 21 | 3 |
| DHT meter | 67 | 30 | 3 |
| Haemoglobin colour scale | 57 | 27 | 16 |
| Lovibond | 14 | 27 | 59 |