Table 5. Most commonly reported serious adverse events in intent-to-treat population in study of treatments for West Nile virus central nervous system disease, by treatment arm*.

Serious adverse event	Omr-IgG-am, n = 37	Polygam, n = 12	Normal saline, n = 13	Total, n = 62
Respiratory failure	8	7	2	17
Neurologic event or mental status decline	1	11	1	13
Cardiac event	4	1	0	5
Anemia	2	1	0	3
Leukopenia	1	0	2	3
Urinary tract infection	1	0	1	2
Pneumonia	2	0	0	2
Pulmonary embolism	1	0	1	2
Atelectasis	0	2	0	2
Pleural effusion	0	1	1	2
Other	9	2	1	12
Total	29	25	9	63
*Values are no. patients.