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Changes in the presence of anti–topo I isotypes in paired samples from 75 systemic sclerosis patients positive for anti–topo I IgG*
| Anti–topo I isotype status at baseline/last follow‐up visit† | ||||
|---|---|---|---|---|
| +/+ | +/− | −/− | −/+ | |
| Anti–topo I IgG | 71 | 4 | – | – |
| Anti–topo I IgM | 31 | 14 | 27 | 3 |
| Anti–topo I IgA | 70 | 4 | 1 | 0 |
Values are the number of patients. Anti–topo I = anti–topoisomerase I autoantibody.
Status of first available serum sample/status of last available serum sample.
