Diffuse alveolar haemorrhage presentation
| Active features | Frequency | Percentage |
|---|---|---|
| Dyspnoea | 14/22 | (64) |
| Hypoxaemia* | 12/22 | (55) |
| Cough (no haemoptysis) | 9/22 | (41) |
| Haemoptysis | 6/22 | (27) |
| BAL | ||
| Bloody return | 8/14 | (57) |
| Haemosiderin-laden MΦ | 2/14 | (14) |
| SLEDAI-2K score† | 11.4±7.3 | |
| Any lupus rash | 5/22 | (23) |
| Arthritis | 4/22 | (23) |
| Serositis | 7/22 | (32) |
| Nephritis | 8/22 | (36) |
| Neuropsychiatric | 2/22 | (9) |
| Leucopenia | 5/21 | (23) |
| Haemolytic anaemia | 2/22 | (9) |
| Thrombocytopenia | 5/22 | (23) |
| Raynaud's | 2/22 | (9) |
| Hypocomplementemia | 15/20 | (75) |
| Down from baseline | 12/16 | (75) |
| Elevated anti-dsDNA | 14/18 | (78) |
| Up from baseline | 9/16 | (56) |
*Nine patients required intubation.
†Mean and SD are presented.
BAL, bronchoalveolar lavage; dsDNA, double-stranded DNA; MΦ, macrophage; SLEDAI, systemic lupus erythematosus disease activity index 2000.