Anti-dsDNA antibody and disease activity
| Anti-dsDNA | Inactive Disease | Active disease | p value | |
|---|---|---|---|---|
| 0 (n=141) | 1+ (n=230) | |||
| QUANTA Flash | Titers (units) | 72 (30–134) | 170 (56–813) | <0.001 |
| Percent positive (>35 Units) | 72% | 86% | <0.001 | |
| High Avidity | Titers (units) | 36 (12–170) | 129 (47–775) | <0.001 |
| Percent positive (>30 Units) | 56% | 77% | <0.001 | |
| QUANTA Lite | Titers (units) | 343 (106–624) | 545 (293–879) | <0.001 |
| Percent positive (>301 Units) | 53% | 74% | <0.001 | |
| CLIFT | Titers (units) | 1:160 (1:80 – 1:320) | 1:320 (1:160–1:320) | <0.001 |
| Percent positive (>1:10) | 99% | 97% | 0.26 | |
Titers are presented as median inter-quartile range.