Table 3.
Comparison of the severe and non-severe falciparum malaria cases by nationality, 2005–2016
| Total Pf, n (%) | Severe Pf, n (%) | Non-severe Pf, n (%) | Odds ratio | 95% CI | |
|---|---|---|---|---|---|
| Japanese (n = 56) | |||||
| Age (years) | |||||
| < 50 | 44 (78.6) | 11 (73.3) | 33 (80.5) | – | – |
| ≧ 50 | 12 (21.4) | 4 (26.7) | 8 (19.5) | 1.5 | 0.4–6.0 |
| Gender | |||||
| Male | 41 (73.2) | 11 (73.3) | 30 (73.2) | – | – |
| Female | 15 (26.8) | 4 (26.7) | 11 (26.8) | 1.0 | 0.3–3.8 |
| Day of illness at treatment initiation | |||||
| 1–4 | 39 (69.6) | 7 (46.7) | 32 (78.0) | – | – |
| ≧ 5 | 17 (30.4) | 8 (53.3) | 9 (22.0) | 4.1 | 1.2–14.3 |
| Non-Japanese (n = 47) | |||||
| Age (years) | |||||
| < 50 | 42 (89.4) | 4 (100.0) | 38 (88.4) | – | – |
| ≧ 50 | 5 (10.6) | 0 | 5 (11.6) | – | – |
| Gender | |||||
| Male | 43 (91.5) | 4 (100.0) | 39 (90.7) | – | – |
| Female | 4 (8.5) | 0 | 4 (9.3) | – | – |
| Day of illness at treatment initiation | |||||
| 1–4 | 24 (51.1) | 1 (25.0) | 23 (53.5) | – | – |
| ≧ 5 | 23 (48.9) | 3 (75.0) | 20 (46.5) | 3.5 | 0.3–35.8 |
Pf = Plasmodium falciparum. A case of mixed infection (Pf and Plasmodium ovale) is included in this analysis.