Table 5.
Percentages of sleep tests ordered by medical specialty, 2013–2016.
| 2013 | 2014 | 2015 | 2016 | % Change 2013–2016 | |
|---|---|---|---|---|---|
| MSLT/MWT | |||||
| General practitioner* | 33.0 | 30.8 | 29.2 | 26.9 | −18.4 |
| Pulmonology | 18.3 | 20.5 | 21.7 | 23.1 | 26.0 |
| Neurology | 14.3 | 15.0 | 13.8 | 13.2 | −8.0 |
| Sleep medicine | 6.4 | 6.7 | 8.5 | 10.0 | 56.2 |
| Other specialty | 10.7 | 10.4 | 9.9 | 9.9 | −7.0 |
| Unknown specialty | 17.3 | 16.5 | 16.9 | 16.9 | −2.3 |
| HSAT | |||||
| General practitioner* | 42.8 | 40.2 | 37.3 | 37.5 | −12.4 |
| Pulmonology | 12.9 | 14.7 | 15.9 | 15.6 | 20.7 |
| Neurology | 3.0 | 3.7 | 3.9 | 4.0 | 32.0 |
| Sleep medicine | 3.3 | 3.5 | 4.4 | 4.6 | 39.8 |
| Other specialty | 13.9 | 13.8 | 13.0 | 13.1 | −6.3 |
| Unknown specialty | 24.1 | 24.1 | 25.5 | 25.3 | 5.0 |
| PSG | |||||
| General practitioner* | 39.6 | 37.8 | 35.6 | 34.5 | −12.8 |
| Pulmonology | 17.9 | 18.9 | 19.6 | 20.7 | 16.0 |
| Neurology | 6.3 | 6.5 | 6.3 | 6.5 | 3.4 |
| Sleep medicine | 4.6 | 5.2 | 6.2 | 6.6 | 44.5 |
| Other specialty | 15.5 | 14.7 | 14.0 | 13.8 | −10.8 |
| Unknown specialty | 16.2 | 16.9 | 18.4 | 17.9 | 10.0 |
HSAT = home sleep apnea test; MSLT = multiple sleep latency test; MWT = maintenance of wakefulness test; PSG = polysomnography. *General practitioner includes general practitioners, internal medicine physicians, and family practice physicians.