Table 1.
Characteristics of patients hospitalized for acute asthma, according to coexistence of obstructive sleep apnea
| Characteristics | Obstructive sleep apnea n=7,564 (10.3%) | No obstructive sleep apnea n=65,844 (89.7%) | P value |
|---|---|---|---|
| Age, median (IQR), year | 47 (40-51) | 43 (32-49) | <0.001 |
| Female | 5,077 (67.1) | 46,215 (70.5) | <0.001 |
| Race/ethnicity | <0.001 | ||
| Non-Hispanic white | 3,620 (49.6) | 27,799 (44.1) | |
| Non-Hispanic black | 2,165 (29.7) | 17,534 (27.8) | |
| Hispanic | 1,166 (16.0) | 13,133 (20.9) | |
| Asian or Pacific Islander | 84 (1.2) | 1,071 (1.7) | |
| Native American | 42 (0.6) | 265 (0.4) | |
| Others* | 218 (3.0) | 3,172 (5.0) | |
| Primary health insurance | <0.001 | ||
| Medicare | 1,802 (23.8) | 7,461 (11.3) | |
| Medicaid | 2,506 (33.1) | 22,721 (34.5) | |
| Private | 2,274 (30.1) | 20,462 (31.1) | |
| No insurance | 597 (7.9) | 10,822 (16.4) | |
| No charge | 115 (1.5) | 1460 (2.2) | |
| Others | 266 (3.5) | 2,882 (4.4) | |
| Quartiles for median household income | 0.02 | ||
| 1 (lowest) | 2,846 (39.1) | 24,036 (38.7) | |
| 2 | 1,811 (24.9) | 15,320 (24.7) | |
| 3 | 1,642 (22.5) | 13,488 (21.7) | |
| 4 (highest) | 986 (13.5) | 9,211 (14.8) | |
| Patient residence | 0.70 | ||
| Metropolitan | 6,974 (92.5) | 60,726 (92.7) | |
| Non-metropolitan | 590 (7.7) | 5,118 (7.3) | |
| Selected comorbidities† | |||
| Hypertension | 4,704 (62.2) | 20,463 (31.1) | <0.001 |
| Diabetes | 3,041 (40.0) | 9,861 (15.0) | <0.001 |
| Congestive heart failure | 1,216 (16.1) | 2,400 (3.6) | <0.001 |
| Cardiac arrhythmias | 931 (12.3) | 6,326 (9.6) | <0.001 |
| Renal failure | 442 (5.8) | 1,249 (1.9) | <0.001 |
| Hospital state | <0.001 | ||
| Arkansas | 215 (2.8) | 2,088 (3.2) | |
| California | 1,163 (15.4) | 11,035 (16.8) | |
| Florida | 2,753 (36.4) | 20,741 (31.5) | |
| Iowa | 211 (2.8) | 1,343 (2.0) | |
| Nebraska | 129 (1.7) | 938 (1.4) | |
| New York | 2,275 (30.1) | 24,807 (37.7) | |
| Utah | 127 (1.7) | 991 (1.5) | |
| Washington | 691 (9.1) | 3,901 (5.9) | |
| Hospitalization year | 0.77 | ||
| 2010 | 2,699 (35.7) | 23,780 (36.1) | |
| 2011 | 2,114 (28.0) | 18,408 (28.0) | |
| 2012 | 1,453 (19.2) | 12,647 (19.2) | |
| 2013 | 7,564 (17.2) | 11,089 (16.7) |
Data are shown as n (%) unless otherwise specified.
*
The other insurance status includes worker’s compensation, unreimbursed native health, other miscellaneous.
†
Selected from Elixhauser comorbidity