Table 4.
Changes in ICD codes for underlying causes of hospital deaths in study sample by province, based on review by central team of expert coders.
| Coding review | ||||
|---|---|---|---|---|
| Province | MR Review | Incorrect code a (%) |
Disagreement b (%) |
Changed code (%) |
| Ubolrajthani | 606 | 11.1 | 1.8 | 12.9 |
| Leoi | 187 | 42.8 | 4.8 | 47.6 |
| Chiang Rai | 477 | 14.3 | 2.1 | 16.4 |
| Payow | 156 | 25.0 | 6.4 | 31.4 |
| Supanburi | 540 | 16.1 | 3.0 | 19.1 |
| Nakhon Nayok | 197 | 14.7 | 8.6 | 23.4 |
| Songkhla | 417 | 13.7 | 2.9 | 16.5 |
| Chumpon | 116 | 19.8 | 3.4 | 23.3 |
| Bangkok | 620 | 3.7 | 2.4 | 6.1 |
| Total | 3316 | 14.3 | 3.1 | 17.4 |
a Incorrect - Change in ICD code at 3 or 4 character level, but no change at Mortality Tabulation List 1 level of aggregation
b Disagreement - Change in ICD code resulting in change at Mortality Tabulation List 1 level of aggregation