Table 2. Demographic and clinical characteristics of CHIKV+ve and CHIKV-ve patients included at Day 1-Day 2.
| CHIKV+ve (n = 32) | CHIKV-ve (n = 103) | p-value | Odd Ratio (CI 95%) | ||
| Age; mean (SD) | 28.88 (18.13) | 27.04 (16.91) | |||
| Sex; n (%) | M | 15 (46.9) | 35 (34.0) | 0.212 | 0.58 (0.26;1.31) |
| F | 17 (53.1) | 68 (66.0) | |||
| Fever; n (%) | 31 (96.9) | 100 (97.1) | 1.0 | 0.93 (0.093;9.26) | |
| Arthralgia; n (%) | 27 (84.4) | 56 (54.4) | 0.0031 | 4.53 (1.62;12.69) | |
| Number mean (SD) | 3.81 (2.96) | 1.83 (2.32) | |||
| Intensity; n (%) | 0.000001 | ND | |||
| Absent | 5 (15.6) | 47 (45.6) | |||
| Minor | 1 (3.1) | 11 (10.7) | |||
| Moderate | 10 (31.3) | 38 (36.9) | |||
| Important | 16 (50.0) | 7 (6.8) | |||
| Localisation; n (%) | Wrist | 25 (78.1) | 36 (35.0) | 0.00003 | 6.65 (2.62;16.86) |
| Hands (MCP+PIP) | 24 (75.0) | 29 (28.2) | 0.000003 | 7.66 (3.09;18.98) | |
| Ankles | 14 (43.8) | 22 (21.4) | 0.021 | 2.86 (1.23;6.65) | |
| Feet | 12 (37.5) | 10 (9.7) | 0.00059 | 5.58 (2.12;14.7) | |
| Knees | 12 (37.5) | 25 (24.3) | 0.174 | 1.87 (0.80;4.36) | |
| Cervicalgia | 10 (31.3) | 22 (21.4) | 0.341 | 1.67 (0.69;4.05) | |
| Lombalgia | 10 (31.3) | 20 (19.4) | 0.222 | 1.88 (0.77;4.61) | |
| Shoulders | 8 (25.0) | 12 (11.7) | 0.086 | 2.53 (0.93;6.88) | |
| Elbows | 7 (21.9) | 12 (11.7) | 0.155 | 2.12 (0.76;5.96) | |
| Headache; n (%) | 21 (67.7) | 58 (56.9) | 0.305 | 1.59 (0.68;3.72) | |
| Asthenia; n (%) | 32 (100.0) | 93 (90.3) | 0.117 | ND | |
| Myalgia; n (%) | 18 (64.3) | 56 (57.1) | 0.524 | 1.35 (0.56;3.22) | |
| Moderate or Important | 15 (53.6) | 36 (36.7) | 0.129 | 1.99 (0.85;4.64) | |
| Shiver; n (%) | 11 (34.4) | 58 (56.3) | 0.042 | 0.41 (0.18;0.93) | |
| Dermatological signs; n (%) | 14 (43.8) | 33 (32.0) | 0.288 | 1.65 (0.73;3.72) | |
| Nausea or Vomiting; n (%) | 7 (21.9) | 23 (22.3) | 1.00 | 0.97 (0.37;2.54) | |
| Diarrhoea; n (%) | 7 (21.9) | 19 (18.4) | 0.798 | 1.24 (0.47;3.28) | |
| Respiratory signs; n (%) | 1 (3.1) | 4 (3.9) | 1.00 | 0.80 (0.09;7.41) | |
| Haemorrhagic signs; n (%) | 0 (0.0) | 1 (1.0) | 1.00 | ||
| Pruritus; n (%) | 11 (34.4) | 16 (15.5) | 0.025 | 2.85 (1.15;7.03) | |
| Burn under the feet; n (%) | 4 (12.5) | 2 (1.9) | 0.028 | 7.21 (1.26;41.44) | |
| Quality of Life; n (%) | |||||
| Capacity to perform normal activity | 0.129 | ND | |||
| Very Bad | 9 (28.1) | 16 (15.5) | |||
| Medium | 23 (71.9) | 86 (83.5) | |||
| Very good | 0 (0.0) | 1 (1.0) | |||
| Health Status | 0.676 | ND | |||
| Very Bad | 2 (6.3) | 5 (4.9) | |||
| Medium | 30 (93.8) | 97 (94.2) | |||
| Very good | 0 (0.0) | 1 (1.0) | |||
| Quality of Sleep | 0.009 | ND | |||
| Very Bad | 25 (78.1) | 53 (51.5) | |||
| Medium | 7 (21.9) | 49 (47.6) | |||
| Very good | 0 (0.0) | 1 (1.0) | |||
| Use of Paracetamol; n (%) | 32 (100.0) | 102 (99.0) | 1.00 | ND | |
| Use of NSAIDs; n (%) | 11 (34.4) | 19 (18.4) | 0.086 | 2.32 (0.96;5.60) |