Table 4. Misclassification matrix for six leading ill-defined causes of death, ages 15–69 years, the Islamic Republic of Iran, 2005–2006.
| Medical record diagnosis | IDC-10 code | Death registration diagnosis |
||||||
|---|---|---|---|---|---|---|---|---|
| Other cardiac diseases | Other and unspecified disorders of the circulatory system | Heart failure | Hypertensive disease | Other respiratory diseases | Senility and unknownb | Total | ||
| Other cardiac diseases | I27–I29, I44–I49, I51 | 1 | 0 | 3 | 1 | 6 | 2 | 13 |
| Other and unspecified disorders of the circulatory system | I90–I99 | 0 | 0 | 0 | 1 | 0 | 0 | 1 |
| Heart failure | I50 | 4 | 1 | 5 | 1 | 5 | 1 | 17 |
| Hypertensive disease | I10–I13 | 4 | 5 | 5 | 1 | 3 | 3 | 21 |
| Ischaemic heart disease | I20–I25 | 23 | 27 | 60 | 14 | 63 | 7 | 194 |
| Cerebrovascular disease | I60–I69 | 2 | 46 | 12 | 5 | 9 | 1 | 75 |
| Other specified cardiovascular diseases | a | 1 | 2 | 4 | 2 | 15 | 0 | 24 |
| Influenza and pneumonia | J12–J18 | 0 | 0 | 1 | 3 | 0 | 0 | 4 |
| Chronic lower respiratory diseases | J40–J44 | 1 | 4 | 4 | 8 | 3 | 1 | 21 |
| Other respiratory diseases | J64–J84, J87–J99 | 1 | 0 | 0 | 10 | 0 | 0 | 11 |
| Diabetes | E10–E14 | 2 | 13 | 4 | 7 | 8 | 0 | 34 |
| Neoplasms | C00–D48 | 0 | 3 | 6 | 10 | 5 | 4 | 28 |
| Digestive diseases | K00–K93 | 1 | 0 | 2 | 1 | 2 | 3 | 9 |
| Genitourinary diseases | N17–N98 | 1 | 5 | 2 | 6 | 5 | 4 | 23 |
| Infectious diseases | A00–B99 | 2 | 3 | 1 | 4 | 3 | 0 | 13 |
| Injuries | V01–Y98 | 4 | 5 | 6 | 12 | 5 | 24 | 56 |
| Other causes | – | 4 | 4 | 10 | 8 | 9 | 3 | 38 |
| Total | – | 51 | 118 | 125 | 94 | 141 | 53 | 582 |
a Codes for this category include: I26, I30–I43, I70–I79. b Because of the relatively small number of deaths assigned to the two component causes, they have been aggregated for analytical purposes.