Estimated annual health care expenditures (by type) of the noninstitutionalized population, by condition status, USA, 1996 (authors' analysis of Medical Expenditures Panel Study)
| Condition status | Tota all services | Hospital stays | Physician visits | Nonphysician visits | ER visits | Prescriptions filled | Home health care services | Other | Total $ (in billions) |
| All respiratory conditions | 3,753 | 1,679 (45) | 658 (18) | 255 (7) | 102 (3) | 653 (17) | 292 (8) | 115 (3) | 45.5 |
| Respiratory conditions only | 843 | #365 (43) | 176 (21) | 32 (4) | 53 (6) | #198 (24) | 2 (0) | #17 (2) | 2.0 |
| Respiratory and other chronic conditions | 4,465 | 2,001 (45) | 776 (17) | 310 (7) | 114 (3) | 764 (17) | 362 (8) | 139 (3) | 43.5 |
| Asthma | 2,973 | 1,207 (41) | 597 (20) | 228 (8) | 96 (3) | 586 (20) | 173 (6) | 85 (3%) | 30.8 |
| All Nonrespiratory conditions | 2,624 | 1,126 (43) | 600 (23) | 210 (8) | 77 (3) | 372 (14) | 188 (7) | 51 (2) | 428.9 |
| One Nonrespiratory condition | 1,321 | 741 (56) | 278 (21) | 83 (6) | 61 (5) | 114 (9) | 29 (2) | 15 (1%) | 83.4 |
| Two or more Nonrespiratory conditions | 3,443 | 1,368 (40) | 801 (23) | 290 (8) | 87 (3) | 535 (16) | 289 (8) | 73 (2) | 345.6 |
| No chronic conditions | 365 | 137 (38) | 113 (31) | 34 (9) | 33 (9) | 26 (7) | #11 (3) | #9 (3) | 34.0 |
| Total | 1,891 | 808 (43) | 433 (23) | 151 (8) | 63 (3) | 265 (14) | 132 (7) | 39 (2) | 508.5 |
Data are presented as mean US Dollars or $ (%) unless otherwise stated
ER: emergency room
#: estimates are statistically unreliable (relative se of >30%)
Respiratory conditions included in the rubric are International Classifications of Diseases-ninth revision codes 491 (chronic bronchitis), 492 (emphysema), 493 (asthma), 494 (bronchiectasis), 496 (chronic airway obstruction, not elsewhere classified), 500 (coal worker's pneumoconiosis) and 501 (asbestosis)
Respondents may have more than one of the following respiratory conditions: chronic bronchitis, emphysema, and asthma
The total national cost in billions was calculated by multiplying the total of all services (this table) by the prevalence in millions (from Table 1⇑)