Table 1.
Baseline characteristics of CAMA study participants.
| Serologically confirmed CHIKV arthritis cases |
||||
|---|---|---|---|---|
| Characteristic | No prior arthritis (n=25) | Prior history of arthritis (n= 8) | Controls (n= 10) | p-value |
| Agea | 56.0 (10.0) | 59.6 (12.2) | 31.7 (7.8) | <0.0001 |
| Body Mass Indexa | 30.0 (4.5) | 27.1 (5.8) | 24.7 (5.3) | 0.03 |
| Female Genderb | 20/25 (80%) | 7/8 (88%) | 7/10 (78%) | 0.99 |
| Afro-Colombian ethnicityb | 13/25 (52%) | 5/8 (63%) | 5/10 (50%) | 0.90 |
| White-Colombian ethnicityb | 8/25 (32%) | 3/8 (38%) | 4/10 (40%) | |
| High school or less educational levelb | 23/25 (92%) | 8/8 (100%) | 0 (0%) | <0.0001 |
| Presence of comorbiditiesb | 9/25 (36%) | 6/8 (75%) | 0 (0%) | 0.0025 |
| >3 comorbiditiesb | 0 | 1 (13%) | 0 | 0.19 |
| Comorbiditiesb | ||||
| Rheumatoid arthritis | 0 | 1 (12.5%) | 0 | 0.19 |
| Osteoarthritis | 0 | 3 (37.5%) | 0 | 0.0045 |
| Ischemic heart disease | 0 | 0 | 0 | NA |
| Chronic kidney disease | 0 | 0 | 0 | NA |
| Chronic pulmonary disease | 0 | 0 | 0 | NA |
| Diabetes | 1 (4.0%) | 1 (12.5%) | 0 | 0.39 |
| Hypertension | 7 (28.0%) | 4 (50.0%) | 0 | 0.05 |
| Depression | 1 (4.0%) | 0 | 0 | 0.99 |
a
mean(sd)
b
n(%)