Table 2.
Sleep laboratory characteristics.
| All (n = 379) | Unique Center (n = 297) | |
|---|---|---|
| Accredited lab | 322 (86.3) | 252 (84.8) |
| Perform HSAT | 339 (89.4) | 262 (88.2) |
| Primary lab location | ||
| Hospital | 202 (53.4) | 152 (51.2) |
| Other medical building | 98 (25.9) | 83 (27.9) |
| Stand-alone sleep lab | 53 (14.0) | 47 (15.8) |
| Research lab | 5 (1.3) | 4 (1.3) |
| Hotel | 11 (2.9) | 7 (2.4) |
| HSAT only | 5 (1.3) | 4 (2.4) |
| NA/unknown | 5 (1.4) | 0 (0.0) |
| Primary lab setting | ||
| Urban | 164 (44.0) | 125 (42.1) |
| Suburban | 147 (39.4) | 122 (41.1) |
| Rural | 62 (16.6) | 50 (16.8) |
| Unknown | 6 (1.6) | 0 (0.0) |
| Number of beds | ||
| 1 | 4 (1.1) | 4 (1.3) |
| 2 | 50 (13.4) | 46 (15.5) |
| 3–5 | 120 (32.2) | 98 (33.0) |
| 6–9 | 95 (25.5) | 83 (27.9) |
| >10 | 104 (27.9) | 66 (22.2) |
| Unknown | 6 (1.6) | 0 (0.0) |
| Population served | ||
| Both | 188 (50.3) | 135 (45.5) |
| Adult only | 163 (43.6) | 140 (47.1) |
| Pediatric only | 23 (6.1) | 22 (7.4) |
| Unknown | 5 (1.3) | 0 (0.0) |
| Region | ||
| United States | 349 (92.1) | 268 (90.2) |
| Northeast | 127 (33.5) | 80 (26.9) |
| Southeast | 66 (17.4) | 63 (21.2) |
| Midwest | 85 (22.4) | 66 (22.2) |
| Southwest | 38 (10.0) | 31 (10.4) |
| Western | 31 (8.2) | 27 (9.1) |
| Puerto Rico | 1 (0.3) | 1 (0.3) |
| Unknown | 1 (0.3) | 0 (0.0) |
| Outside of United States* | 28 (7.5) | 29 (9.8) |
| Unknown | 1 (0.3) | 0 (0.0) |
Data are presented as N (%). Accredited labs: if United States, accredited by American Academy of Sleep Medicine or by national accrediting body if outside United States. *Non–US respondents included the following: Canada (8), Europe (7), Australia (7), Asia (6), Africa (1). HSAT = home sleep apnea testing.