Gold standard | Not gold standard |
Chemiluminescence detection | Electrochemical detection |
Real-time analysis with visual display | End-point analysis with no visual display |
Measurement taken from plateau of 3 s, enabling quality assurance | No visual display; potential for measurements from technically unacceptable manoeuvres |
Calibration required | Internal standards apply, no calibration needed |
Approximate costs | Approximate costs |
€45 000–50 000 for the device | €3000–4000 for the device |
€4200 for annual maintenance | Annual maintenance is not required |
€15 per test (including nasal olive, catheter and filters) | €15 per test (including nasal olive) |