TABLE 2: Characteristics of 57 patients with persistent Chikungunya fever (CHIK) for more than 12 months, monitored at the Hospital das Clínicas, Universidade Federal de Pernambuco, Brazil.
| Characteristics1 | All patients | CHIKV-IgM positive | CHIKV-IgM negative |
|---|---|---|---|
| (N = 57) | (N=7) | (N=50) | |
| Age, years 2 | 52.2 (11.4) | 53.7 (10.7) | 52.0 (11.6) |
| Sex | |||
| Female, N (%) | 49 (86%) | 6 (85.7%) | 43 (86.0%) |
| Male, N (%) | 8 (14%) | 1 (14.3%) | 7 (14.0%) |
| Race | |||
| White, N (%) | 17 (29.8%) | 1 (14.3%) | 16 (32.0%) |
| Nonwhite, N (%) | 40 (70.2%) | 6 (86.7%) | 34 (68.0%) |
| Time (in months) of CHIKV-IgM assessment after CHIK acute phase 2 | 31.8 (5.7) | 28.3 (7.7) | 32.3 (5.3) |
| Comorbidities, N (%) | 30 (52.6%) | 5 (71.4%) | 25 (50.0%) |
| Hypertension, N (%) | 24 (42.1%) | 5 (71.4%) | 19 (38.0%) |
| Diabetes mellitus, N (%) | 10 (17.5%) | 2 (28.6%) | 8 (16.0%) |
| Hypothyroidism, N (%) | 5 (8.8%) | 0 (0.0%) | 5 (10.0%) |
| Persistent chronic musculoskeletal symptoms, N (%) | 47 (82.4%) | 6 (85.7%) | 41 (82.0%) |
1
p-value>0.05 was established for all characteristics; 2mean (SD). CHIK: chikungunya fever; CHIKV-IgM: serum-specific anti-chikungunya IgM antibodies.