Characteristics of subjects undergoing bronchoalveolar lavage procedures B1 and B2
| B1 | B2 | |
| Number (male/female) | 32 (15/17) | 24 (12/12) |
| Age (years)1-150 | 42 (18–60) | 45 (18–59) |
| Transplant type (n) | ||
| Autologous peripheral blood stem cells | 22 | 17 |
| Autologous bone marrow | 6 | 5 |
| Allogeneic (sibling donor) | 4 | 2 |
| Diagnosis (n) | ||
| Breast cancer | 9 | 6 |
| Non-Hodgkin's lymphoma | 8 | 5 |
| Hodgkin's disease | 5 | 4 |
| Myeloma | 3 | 3 |
| Chronic myeloid leukaemia | 3 | 2 |
| Acute leukaemia | 3 | 4 |
| Aplastic anaemia | 1 | 0 |
| Blood count at time of lavage1-150 | ||
| Haemoglobin (g/l) | 109 (84–148) | 102 (82–148) |
| White cells (×109/l) | 4.2 (2.0–8.6) | 0.2 (0.1–1.0) |
| Neutrophils (×109/l) | 2.9 (0.1–7.5) | 0.05 (0–0.5) |
| Platelets1-151(×109/l) | 221 (17–768) | 27 (6–46) |