Table 1. . Characteristics of the patient population.
| Patient characteristic | Solid tumor | Lymphoma | Leukemia | ||||
|---|---|---|---|---|---|---|---|
| Cytology negative (n = 40) | Cytology positive (n = 125) | Flow cytometry positive (n = 50) | Flow cytometry positive (n = 25) | ||||
| Age (years) | |||||||
| Median | 56 | 58 | 60 | 62 | |||
| Range | 20–71 | 32–78 | 30–86 | 31–82 | |||
| Gender (%) | |||||||
| Male | 52 | 60 | 50 | 56 | |||
| Female | 48 | 40 | 50 | 44 | |||
| Karnofsky performance status (%) | |||||||
| Median | 80 | 70 | 80 | 80 | |||
| Range | 50–100 | 50–100 | 50–100 | 50–100 | |||
| Symptomatic; % (n) | |||||||
| No | 18 (7) | 0 | 5 (3) | 15 (4) | |||
| Yes | 72 (33) | 100 (125) | 95 (47) | 85 (21) | |||
| Tumor histology; % (n) | |||||||
| Breast | 45 (18) | 45 (56) | |||||
| NSCLC | 27.5 (11) | 35 (44) | |||||
| Melanoma | 15 (6) | 10 (13) | |||||
| SCLC | 5 (2) | 5 (6) | |||||
| Other | 7.5 (3) | 5 (6) | |||||
| DLBCL | 80 (39) | ||||||
| Follicular lymphoma | 10 (5) | ||||||
| Mantle cell lymphoma | 5 (3) | ||||||
| Burkitt's lymphoma | 5 (3) | ||||||
| AML | 64 (16) | ||||||
| ALL | 20 (5) | ||||||
| CLL | 8 (2) | ||||||
| CML | 8 (2) | ||||||
ALL: Acute lymphoblastic leukemia; AML: Acute myelogenous leukemia; CLL: Chronic lymphocytic leukemia; CML: Chronic myelogenous leukemia; DLBCL: Diffuse large B-cell lymphoma; NSCLC: Non-small-cell lung cancer; SCLC: Small-cell lung cancer.