Table 1.
Top ten clinical symptoms observed during the acute presentation phase of the 2014 CHIKV outbreak in Grenada
| Cases with symptom | ||||
|---|---|---|---|---|
| Female cases (%) | Male cases (%) | All cases (%) | CHIKV ± significance | |
| Joint pain | 90.8 | 88.5 | 90.0 | < 0.001* |
| Fever | 88.3 | 89.1 | 88.6 | 0.002* |
| Body pain | 65.2 | 69.7 | 66.7 | 0.025* |
| Headache | 52.9 | 55.8 | 53.9 | 0.077 |
| Chills | 50.8 | 49.1 | 50.2 | < 0.001* |
| Rash | 48.0 | 32.7 | 42.9 | < 0.001* |
| Enlarged lymph | 29.8 | 26.7 | 28.8 | 0.116 |
| Eye pain | 28.9 | 24.2 | 27.3 | 0.056 |
| Nausea | 27.7 | 25.5 | 26.9 | 0.513 |
| Joint swelling | 28.9 | 17.6 | 25.1 | 0.002* |
CHIKV = chikungunya virus. The top ten clinical symptoms are listed in descending order of frequency observed in the cases enrolled during the acute presentation phase of the 2014 CHIKV outbreak in Grenada. The predominant symptoms observed for both genders are joint pain and fever. Statistical significance (*) indicates evidence of a dependence between a symptom and its observed frequency in CHIKV-positive cases compared with negative cases.