Research Article
Epidemiological and Clinical Features of Dengue Infection in Adults in the 2017 Outbreak in Vietnam
Table 1
Demographic of patients enrolled in the study.
| | | NHTD | HTD | Total | | n (%) | n (%) | n (%) |
| | Total | 1738(59.5) | 1184(40.5) | 2922 (100) |
| | Gender | | | | | Male | 842 (48.4) | 550 (46.6) | 1392 (47.6) | | Female | 896 (51.6) | 634 (53.4) | 1530 (52.4) |
| | Age | | | | | ≤20 years | 184 (10.6) | 139 (11.7) | 323 (11.1) | | 21–30 years | 652 (37.5) | 570 (48.1) | 1222 (41.8) | | 31–40 years | 382 (22.0) | 304 (25.7) | 686 (23.5) | | 41–50 years | 228 (13.1) | 118 (10.0) | 346 (11.8) | | 51–60 years | 183 (10.5) | 42 (3.5) | 225 (7.7) | | 61–70 years | 75 (4.3) | 10 (0.8) | 85 (2.9) | | 71–80 years | 25 (1.4) | 1 (0.1) | 26 (0.9) | | >80 years | 9 (0.5) | 0 (0.0) | 9 (0.3) |
| | Underlying diseases | 166 (9.6) | 79 (6.7) | 245 (8.4) |
| | Pregnant women | 73 (4.2) | 111 (9.4) | 184 (6.3) |
| | Months | | | | | January | 1 (0.05) | 85 (7.2) | 86 (2.9) | | February | 2 (0.11) | 77 (6.5) | 79 (2.7) | | March | 1 (0.05) | 71 (6.0) | 72 (2.5) | | April | 3 (0.17) | 59 (5.0) | 62 (2.1) | | May | 4 (0.2) | 59 (5.0) | 63 (2.2) | | June | 11 (0.6) | 102 (8.6) | 113 (3.9) | | July | 79 (4.5) | 113 (9.5) | 192 (6.6) | | August | 492 (28.3) | 121 (10.2) | 613 (20.9) | | September | 598 (34.4) | 108 (9.1) | 706 (24.1) | | October | 357 (20.5) | 145 (12.2) | 502 (17.2) | | November | 144 (8.3) | 128 (10.8) | 272 (9.3) | | December | 46 (2.6) | 116 (9.8) | 162 (5.5) |
| | Day admission | | | | | 1–3 days of illness | 443 (25.5) | 328 (27.7) | 771 (26.4) | | Day 4–6 of illness | 1136(65.4) | 771 (65.1) | 1907 (65.4) | | >6 days | 159 (9.1) | 85 (7.2) | 244 (8.4) |
| | Distribute by regions | | | | | North | 19/25 (76.0%) provinces | 53/63 (84.0%) provinces | | Centre | 12/14 (86.0%) provinces | | High land | 4/5 (80.0%) provinces | | South | 18/19 (95.0%) provinces |
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