Table 1.
Characteristics of patients hospitalized for acute exacerbation of chronic pulmonary obstructive disease, according to aspirin use
| Aspirin users | Non-users | ||
|---|---|---|---|
| Characteristics | n = 13,826 | n = 192,860 | P-value |
| Age, year, median (interquartile range) | 73 (65–81) | 70 (59–79) | <0.001 |
| Female sex | 7229 (52) | 112,549 (58) | <0.001 |
| Race/ethnicity | <0.001 | ||
| Non-Hispanic white | 11,528 (86) | 139,497 (75) | |
| Non-Hispanic black | 867 (6) | 19,134 (10) | |
| Hispanics | 716 (5) | 18,996 (10) | |
| Others | 366 (3) | 7250 (4) | |
| Payer | <0.001 | ||
| Medicare | 10,835 (78) | 135,143 (70) | |
| Medicaid | 902 (7) | 21,012 (11) | |
| Private | 1474 (11) | 22,843 (12) | |
| Self-pay | 238 (2) | 7738 (4) | |
| Others | 377 (3) | 6116 (3) | |
| Quartiles for median household income | <0.001 | ||
| 1 (lowest) | 3958 (29) | 61,225 (33) | |
| 2 | 4147 (31) | 52,084 (28) | |
| 3 | 3144 (23) | 43,354 (23) | |
| 4 (highest) | 2333 (17) | 30,680 (16) | |
| Number of comorbidities | <0.001 | ||
| 0–1 | 433 (3) | 14,728 (8) | |
| 2–3 | 4173 (30) | 74,140 (38) | |
| ≥4 | 9220 (67) | 103,992 (54) | |
| Selected comorbidities | |||
| Coronary artery diseases | 6974 (50) | 55,723 (29) | <0.001 |
| Ischemic stroke | 273 (3) | 1821 (1) | <0.001 |
| Hospital state | <0.001 | ||
| Arkansas | 1006 (7) | 13,008 (7) | |
| Florida | 6085 (44) | 90,530 (47) | |
| Iowa | 594 (4) | 9431 (5) | |
| Nebraska | 114 (1) | 5512 (3) | |
| New York | 3695 (27) | 58,240 (30) | |
| Utah | 76 (1) | 2757 (1) | |
| Washington | 2256 (16) | 13,382 (7) |
Note: Data were shown as n (%) unless otherwise specified