Table 1. Demographic and clinical characteristics of the dengue and non-dengue groups.
| Dengue cohort (n = 63814) | Non-dengue cohort (n = 255256) | Standardized mean difference | |
|---|---|---|---|
| Sex | |||
| Female | 31551 (49.4) | 126204 (49.4) | - |
| Male | 32263 (50.6) | 129052 (50.6) | - |
| Age (years) | 44.6 (20.0) | 44.6 (20.0) | - |
| 0–17 | 6806 (10.7) | 27224 (10.7) | - |
| 18–35 | 15528 (24.3) | 62112 (24.3) | - |
| 36–50 | 14111 (22.1) | 56444 (22.1) | - |
| 51–64 | 16368 (25.7) | 65472 (25.7) | - |
| ≥ 65 | 11001 (17.2) | 44004 (17.2) | - |
| Area of residence | |||
| Tainan | 22407 (35.1) | 89628 (35.1) | - |
| Kaohsiung | 37770 (59.2) | 151080 (59.2) | - |
| Pingtung | 1587 (2.5) | 6348 (2.5) | - |
| Others | 2050 (3.2) | 8200 (3.2) | - |
| Income | |||
| ≤ 1249 | 11869 (18.6) | 45365 (17.8) | 0.022 |
| 1250–21899 | 11631 (18.2) | 48622 (19.1) | 0.021 |
| 21900–34799 | 23930 (37.5) | 100214 (39.3) | 0.036 |
| ≥ 34800 | 16384 (25.7) | 61055 (23.9) | 0.041 |
| Urbanization | |||
| 1 (most urbanized) | 23142 (36.3) | 60459 (23.7) | 0.285 |
| 2 | 25345 (39.7) | 82721 (32.4) | 0.155 |
| 3 | 12752 (20.0) | 68176 (26.7) | 0.154 |
| 4–7 (least urbanized) | 2575 (4.0) | 43900 (17.2) | 0.356 |
| Comorbidity | |||
| Hypertension | 15709 (24.36) | 57080 (22.4) | 0.054 |
| DM | 7975 (12.5) | 28650 (11.2) | 0.040 |
| Dyslipidaemia | 13511 (21.2) | 45433 (17.8) | 0.087 |
| COPD | 8394 (13.2) | 29183 (11.4) | 0.053 |
| Cerebrovascular accident | 3819 (6.0) | 14401 (5.6) | 0.015 |
| Renal failure | 1797 (2.8) | 6147 (2.4) | 0.026 |
| Liver cirrhosis | 755 (1.2) | 2753 (1.1) | 0.010 |
| Ischaemic heart disease | 6565 (10.3) | 22401 (8.8) | 0.053 |
| Malignancy | 2645 (4.1) | 9599 (3.8) | 0.020 |
Data are represented as the number (%) or mean (standard deviation), unless otherwise stated. COPD = chronic obstructive pulmonary disease. DM = diabetes mellitus.