Numbers of deaths (% of decedents) in England and Wales 1993–1999 by International Classification of Disease version 9 (ICD‐9) code where obstructive lung disease (OLD) was the underlying cause of death or mentioned anywhere on the death certificate
| ICD‐9 code | Description | Male | Female | All |
| Underlying cause | ||||
| 490 | Bronchitis, unspecified | 613 (0.6%) | 879 (1.1%) | 1492 (0.8%) |
| 491 | Chronic bronchitis | 10612 (9.8%) | 5855 (7.5%) | 16497 (8.8%) |
| 492 | Emphysema | 8806 (8.1%) | 4060 (5.2%) | 12866 (6.9%) |
| 493 | Asthma | 3879 (3.6%) | 6297 (8.1%) | 10176 (5.4%) |
| 496 | Chronic airways obstruction not elsewhere classified | 84788 (78.0%) | 61063 (78.1%) | 145851 (78.1%) |
| 490-3, 496 | Total OLD | 108698 (100%) | 78154 (100%) | 186852 (100%) |
| Any mention on death certificate | ||||
| 490 | Bronchitis, unspecified | 2413 (1.3%) | 2401 (1.8%) | 4814 (1.5%) |
| 491 | Chronic bronchitis | 17907 (9.6%) | 9134 (7.2%) | 27041 (8.6%) |
| 492 | Emphysema | 27681 (14.8%) | 10377 (8.2%) | 38058 (12.2%) |
| 493 | Asthma | 8501 (4.6%) | 12709 (10.1%) | 21210 (6.8%) |
| 496 | Chronic airways obstruction, not elsewhere classified | 146072 (78.2%) | 98114 (77.9%) | 244186 (78.1%) |
| 490-3, 496 (decedents) | Number of decedents with any mention of OLD | 186681 (100%) | 125994 (100%) | 312675 (100%) |
| 490-3, 496 (mentions) | Number of mentions of OLD | 202574 (108.5%) | 132735 (105.4%) | 335309 (107.2%) |