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Associations between nailfold capillaroscopic changes and respiratory symptoms
| Respiratory symptoms | Nailfold capillaroscopic changes | Total | P | ||
|---|---|---|---|---|---|
|
| |||||
| Early | Active | Late | |||
| Absent | 9 | 0 | 0 | 9 (20.9%) | <0.0001 |
| Present | 4 | 11 | 19 | 34 (79.1%) | |
| 13 (30.2%) | 11 (25.6%) | 19 (44.2%) | 43 | ||
