Table 1.
Characteristics of Adult Patients with Legionella Pneumonia, 2005-2009
| Patients with Legionella that met IDSA/ATS criteria for Legionella testing | Patients with Legionella that did not meet IDSA/ATS criteria for Legionella testing | All patients with Legionella pneumonia | |
|---|---|---|---|
| Male | 15 | 9 | 24 (65%) |
| Recent travel | 1 | 0 | 1 (3%) |
| History of alcohol abuse | 6 | 0 | 6 (16%) |
| Anti-TNF therapy | 1 | 1 | 2 (5%) |
| Daily steroid use | 0 | 1 | 1 (3%) |
| Cancer | 4 | 4 | 8 (22%) |
| Diabetes | 5 | 6 | 11 (29%) |
| COPD | 5 | 4 | 9 (24%) |
| Solid-organ transplant recipient | 0 | 1 | 1 (3%) |
| HIV infection | 1 | 0 | 1 (3%) |
| Receipt of antibiotics prior to hospitalization | 4 | 0 | 4 (11%) |
| Pleural effusion present at hospital admission | 7 | 0 | 7 (19%) |
| ICU admission | 14 | 0 | 14 (38%) |
| Abnormal liver function tests | 15 | 5 | 20 (54%) |
| Hyponatremia (Sodium < 130 mEq/L) | 9 | 4 | 13 (35%) |
| Crude mortality | 6 | 0 | 6 (16%) |
SD, standard deviation; TNF, tumor necrosis factor; COPD, chronic obstructive pulmonary disease; abnormal liver function test defined as above reference range; Crude mortality defined as in-hospital death or discharge to hospice care with impending death.