Etiologies | Diagnostic probability (n= 214) | Hematologic (n = 115) | Solid (n = 99) | ||||
---|---|---|---|---|---|---|---|
 | Total | Definite | Probable | Definite | Probable | Definite | Probable |
Infectious etiologies | 138 (64) | 58 (27) | 80 (37) | 31 (27) | 51 (44) | 27 (27) | 29 (29) |
   Bacterial | 63 (29) | 28 (13) | 35 (16) | 14 (12) | 15 (13) | 14 (14) | 20 (20) |
   Viral | 39 (18) | 9 (4) | 30 (14) | 4 (3) | 23 (20) | 5 (5) | 7 (7) |
   Fungal | 19 (9) | 4 (2) | 15 (7) | 2 (2) | 13 (11) | 2 (2) | 2 (2) |
   P. jiroveci | 14 (7) | 14 (7) | 0 | 10 (9) | 0 | 4 (5) | 0 |
   Tuberculosis | 3 (1) | 3 (1) | 0 | 1 (1) | 0 | 2 (2) | 0 |
Non-infectious etiologies | 49 (23) | 24 (11) | 25 (12) | 10 (9) | 8 (7) | 14 (14) | 17 (17) |
   Metastasis | 12 (6) | 12 (6) | 0 | 1 (1) | 0 | 11 (11) | 0 |
   Diffuse alveolar hemorrhage | 8 (4) | 8 (4) | 0 | 6 (5) | 0 | 2 (2) | 0 |
   Cardiogenic pulmonary edema | 10 (5) | 3 (1) | 7 (3) | 2 (2) | 5 (4) | 1 (1) | 2 (2) |
   Drugs | 13 (6) | 0 | 13 (6) | 0 | 2 (2) | 0 | 11 (11) |
   Othersa | 6 (3)a | 1 (0) | 5 (2) | 1 (1) | 1 (1) | 0 | 4 (4) |
Total | 187 (87) | 82 (38) | 105 (49) | 41 (36) | 59 (51) | 42 (42) | 46 (47) |