Table 2: Laboratory, Radiologic, and Severity Data on Admission for 48 Patients with Legionnaire’s Disease.
Variable |
Value no./no. tested subjects (%) |
Leukocytosis (WBC ≥ 12 x 103/L) |
32/48 (67) |
Thrombocytopenia (Platelets ≤ 100 x 103/L) |
4/48 (8) |
New-Onset Renal failure (Cr > 2.0 mg/dl) |
11/44 (25) |
Hyponatremia (Na ≤ 130 mEq/l) |
14/48 (29) |
Aspartate Aminotransferase (AST) (≥ 40 UI) |
34/48 (71) |
Alanine Aminotransferase (ALT) (≥ 40 UI) |
17/48 (35) |
Rhabdomyolysis (CPK ≥ 1000 U/L) |
12/39 (31) |
Lipase > 480 U/L (3 x upper limit of normal) |
11/29 (38) |
Procalcitonin (> 0.5 ug/l) |
15/17 (88) |
Lactate (> 2.0 mmol/L) |
8/27 (30) |
Hematuria |
32/42 (76) |
Sputum Culture Positive |
13/24 (54) |
Urine Legionella Antigen Positive |
45/47 (96) |
Chest radiograph Findings Unilateral infiltrate Bilateral infiltrates Normal Unilobar infiltrates Multilobar infiltrates |
38/48 (71) 9/48 (12) 1/48 (2) 16/48 (33) 31/48 (65) |
Pittsburgh Pneumonia Severity Index 1 2 3 4 5 |
5/48 (10) 13/48 (27) 13/48 (27) 10/48 (21) 7/48 (15) |
Apache II Score (19 ICU patients) -------- Mean +/- SD |
16.4 +/- 5.0 |