Gender | Number (%) | Number (%) | Number (%) | |
Female | 69 (85.2) | 9 (90) | 60 (84.5) | 0.65 |
Male | 12 (14.8) | 1 (10) | 11 (15.5) | |
| | | | |
Age at visit/sample collection (years ± sd) | 50.6 ± 14.7 | 45.4 ±13.0 | 51.3 ± 12.0 | 0.24 |
| | | | |
Race | | | | |
Other | 0 (0.0) | 0 (0.0) | 0 (0.0) | |
African American | 81 (100.0) | 10 (100.0) | 71 (100.0) | |
| | | | |
ANA positivity | | | | |
Yes | 47 (58.0) | 10 (100.0) | 37 (52.1) | 0.004 |
No | 34 (42.0) | 0 (0.0) | 34 (47.9) | |
| | | | |
ANA titer high (> 1:320) | | | | |
Yes | 17 (21.0) | 8 (80.0) | 9 (12.7) | < 0.001 |
No | 64 (79.0) | 2 (20.0) | 62 (87.3) | |
| | | | |
PFOS (ng/ml) | 24.7 ±21.8 | 8.7 ±5.4 | 27.0 ±22.2 | <0.001 |
PFOA (ng/ml) | 3.6 ±2.2 | 2.3 ±1.5 | 3.8 ±2.2 | 0.04 |
| | | | |
Social vulnerability index | 0.5 ±0.3 | 0.5 ±0.4 | 0.6 ±0.3 | 0.48 |