Table 1.
Geographic and other characteristics of hospitals providing data.
| Hospital characteristics | Total N (%) | OSA (%) | No OSA (%) | p-value for Chi-square |
|---|---|---|---|---|
|
| ||||
| Hospital region (N=1,568,275) | <0.001 | |||
| Region 1 (Northeast) | 425,997 (27.2) | 642 (33.3) | 425,355 (27.2) | |
| Region 2 (Midwest) | 262,227 (16.7) | 401 (20.8) | 261,826 (16.7) | |
| Region 3 (South) | 679,481 (43.3) | 652 (33.8) | 678,829 (43.3) | |
| Region 4 (West) | 200,570 (12.8) | 235 (12.2) | 200,335 (12.8) | |
|
| ||||
| Hospital location (N=1,568,275) | 0.020 | |||
| METRO (Rural) | 44,703 (2.9) | 72 (3.7) | 44,631 (2.9) | |
| Metro (Urban) | 1,523,572 (97.2) | 1,858 (96.3) | 1,521,714 (97.2) | |
|
| ||||
| Hospital teaching status (N=1,505,052) | <0.001 | |||
| Teaching | 1,092,420 (72.6) | 1,576 (83.3) | 1,090,844 (72.6) | |
| Non-teaching | 412,632 (27.4) | 315 (16.7) | 412,317 (27.4) | |
|
| ||||
| Hospital delivery volume in births per year (N=1,568,275) | 0.149 | |||
| ≤1000 | 218,054 (13.9) | 245 (12.7) | 217,809 (13.9) | |
| 1001–2500 | 98,998 (6.3) | 129 (6.7) | 98,869 (6.3) | |
| 2501–5000 | 544,435 (34.7) | 709 (36.7) | 543,726 (34.7) | |
| >5000 | 706,788 (45.1) | 847 (43.9) | 705,941 (45.1) | |
|
| ||||
| Hospital bed size | <0.001 | |||
| Small (<400 beds) | 574,738 (36.4) | 574 (29.2) | 574,164 (36.4) | |
| Medium (400–700 beds) | 489,329 (31.0) | 702 (35.8) | 488,627 (31.0) | |
| Large (≥700 beds) | 513,565 {32.6) | 687 (35.0) | 512,878 (32.6) | |
OSA, obstructive sleep apnea.