Table 1.
Characteristics of Chikungunya cases according to chronicity outcome.
| Characteristic | Chronic n = 183 n (%) |
Non-Chronic n = 183 n (%) |
Total n = 366 n (%) |
p-Value |
|---|---|---|---|---|
| Sex | ||||
| Female | 140 (76.5%) | 128 (69.9%) | 268 (73.2%) | 0.157 ƪ |
| Male | 43 (23.5%) | 55 (30.1%) | 98 (26.8%) | |
| Age | ||||
| Median (interquartile range) | 53 (41–61) | 46 (31–61) | 49.5 (37–61) | 0.006 # |
| Pre-existing diseases | ||||
| Diabetes | 33/182 (18.1%) | 24 (13.1%) | 57 (15.6%) | 0.187 ƪ |
| Liver disease | 5/182 (2.7%) | 1 (0.5%) | 6 (1.6%) | 0.121 ¶ |
| Arterial hypertension | 66 (36.1%) | 48 (26.2%) | 114 (31.1%) | 0.042 ƪ |
| Acid-peptic disease | 6 (3.3%) | 3 (1.6%) | 9 (2.5%) | 0.502 ¶ |
| Clinical manifestation | ||||
| Fever | 163 (89.1%) | 165 (90.2%) | 328 (89.6%) | 0.732 ƪ |
| Myalgia | 162 (88.5%) | 166 (90.7%) | 328 (89.6%) | 0.493 ƪ |
| Headache | 154 (84.2%) | 146 (79.8%) | 300 (82.0%) | 0.277 ƪ |
| Rash | 66 (36.1%) | 68 (37.2%) | 134 (36.6%) | 0.828 ƪ |
| Vomiting | 42 (23.0%) | 24 (13.1%) | 66 (18.0%) | 0.014 ƪ |
| Nausea | 107 (58.5%) | 74 (40.4%) | 181 (49.5%) | 0.001 ƪ |
| Back pain | 133 (72.7%) | 116 (63.4%) | 249 (68.0%) | 0.057 ƪ |
| Conjunctivitis | 19 (10.4%) | 22 (12.0%) | 41 (11.2%) | 0.619 ƪ |
| Arthritis | 90 (49.2%) | 86 (47.0%) | 176 (48.1%) | 0.676 ƪ |
| Arthralgia | 166 (90.7%) | 161 (88.0%) | 327 (89.3%) | 0.397 ƪ |
| Petechiae | 26 (14.2%) | 30 (16.4%) | 56 (15.3%) | 0.561 ƪ |
| Leukopenia | 37 (20.2%) | 20 (10.9%) | 57 (15.6%) | 0.014 ƪ |
| Positive tourniquet test | 26 (14.2%) | 28 (15.3%) | 54 (14.8%) | 0.768 ƪ |
| Retroorbital pain | 82 (44.8%) | 72 (39.3%) | 154 (42.1%) | 0.290 ƪ |
| Hospitalization | 7 (4.2%) | 2 (1.1%) | 9 (2.6%) | 0.095 ¶ |
ƪ Pearson’s Chi-square test, ¶ Fisher’s exact test, # Mann–Whitney test.