Table 1 Demographic, clinical and laboratory features of laboratory-confirmed chikungunya patients
Characteristics | Days post symptoms onset (DPSO) at the time of the visit | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
0–7 (N = 45) | 10–30 (N = 40) | 31–60 (N = 13) | 61–90 (N = 7) | 91–120 (N = 2) | 121–720 (N = 8) | 721–900 (N = 17) | 901–1080 (N = 8) | 1,081–1,260 (N = 3) | > 1,260 (N = 2) | |
Demographics and clinical | % (n) or median (interquartile range) | |||||||||
Sex (female) | 33 (73) | 30 (75) | 11 (84) | 4 (57) | 1 (50) | 7 (87) | 12 (70) | 6 (75) | 2 (66) | 1 (50) |
Age | 44 (35–56) | 45 (35–56) | 37 (30–49) | 56 (47–52) | 38 (33–44) | 54 (40–68) | 44 (33–52) | 40 (33–48) | 37 (21–55) | 44 (33–56) |
DPSO | 1 (1.5–3) | 15 (13–20) | 36 (37–44) | 74 (67–78) | 102 (96 −107) | 166 (147–271) | 848 (806–860) | 1008 (959–1,022) | 1,120 (1,120–1172,5) | 1,301.5 (1,294–1308,8) |
Arthralgia | 45 (100) | 35 (94) a | 12 (92) | 7 (100) | 2 (100) | 7 (87) | 17 (100) | 8 (100) | 3 (100) | 2 (100) |
Myalgia | 45 (100) | 0 (0) b | 8 (80) d | 6 (85) | 0 (0) | 4 (50) | 13 (76) | 5 (62) | 2 (66) | 1 (50) |
Joint edema | 31 (68) | 27 (75) c | 12 (100) e | 7 (100) | 2 (100) | 5 (62) | 12 (75) | 7 (87) | 2 (66) | 2 (100) |
Laboratory | ||||||||||
RT-qPCR CHIKV positive | 43 (95) | 5 (2) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
Cycle Threshold | 22.82 (20.0–28.4) | 36.75 (35.6–37.9) | – | – | – | – | – | – | – | – |
ELISA IgM positive f,h | 6 (13) | 40 (100) | 13 (100) | 7 (100) | 2 (100) | 5 (62) | 6 (35) | 1 (12) | 1 (33) | 1 (50) |
ELISA IgG positive g,h | 1 (2) | 40 (100) | 13 (100) | 7 (100) | 2 (100) | 8 (100) | 17 (100) | 8 (100) | 3 (100) | 2 (100) |