Table 1 Malaria case notification and investigation in Vietnam from 2017 to 2021 (Secondary data analysis)
Paper-based systema | eCDS – MMSb | Total | |
|---|---|---|---|
n = 12,498 | n = 467 | n = 12,965 | |
Completeness in malaria notification | |||
No | 35 (0.3%) | 0 (0.0%) | 35 (0.3%) |
Yes | 12,463 (99.7%) | 467 (100.0%) | 12,930 (99.7%) |
Delay in notification | |||
No | 7978 (63.8%) | 391 (83.7%) | 8369 (64.6%) |
Yes (> 48 h) | 4473 (35.8%) | 0 (0.0%) | 4473 (34.5%) |
Unable to evaluate due to data error | 3 (0.0%) | 2 (0.4%) | 5 (0.0%) |
Missingd | 44 (0.4%) | 74 (15.9%) | 118 (0.9%) |
Completeness in malaria case investigation | |||
No | 732 (5.9%) | 14 (3.0%) | 746 (5.8%) |
Yes | 11,766 (94.1%) | 453 (97.0%) | 12,219 (94.2%) |
Delay in case investigationc | |||
No | -na- | 371 (79.4%) | 371 (2.9%) |
Yes (> 48 or 72 h)c | -na- | 20 (4.3%) | 20 (0.2%) |
Unable to evaluate due to data error | -na- | 1 (0.2%) | 1 (0.0%) |
Missing | 12,498 (100.0%) | 75 (16.1%) | 12,573 (97.0%) |
Classification of malaria patients | |||
Indigenous malaria case | 7715 (61.7%) | 356 (76.2%) | 8,071 (62.3%) |
Commune imported | 1209 (9.7%) | 83 (17.8%) | 1292 (10.0%) |
District imported | 425 (3.4%) | 0 (0.0%) | 425 (3.3%) |
Provincial imported | 1824 (14.6%) | 0 (0.0%) | 1824 (14.1%) |
Overseas imported | 593 (4.7%) | 5 (1.1%) | 598 (4.6%) |
Secondary transmission | 0 (0.0%) | 4 (0.9%) | 4 (0.0%) |
Relapse | 0 (0.0%) | 7 (1.5%) | 7 (0.1%) |
Case classification was not performed | 732 (5.9%) | 12(2.6%) | 744 (5.7%) |
Origin of imported case | |||
Indigenous malaria case | 7715 (61.7%) | 356 (76.2%) | 8071 (62.3%) |
Imported within Vietnam | 3457 (27.7%) | 83 (17.8%) | 3,541 (27.3%) |
From GMS countries | 486 (3.9%) | 1 (0.2%) | 487 (3.8%) |
Other countries outside of GMS | 107 (0.9%) | 4 (0.9%) | 111 (0.9%) |
Not recorded | 733 (5.9%) | 23 (4.9%) | 756 (5.8%) |