Table 1.

Characteristics of Patients Included in this Study

Demographic	Percentage (No.) of Applicable Study Population
Female	40 (98/245)
Age >65 y	49.4 (121/245)
Inpatient	79.2 (194/245)
Death within 30 d of 1st PCR	19.0 (45/237)
Ever had a positive IgG	50.6 (124/245)
Seropositive by hospital admission	33.3 (38/114)
Ever had a Ct <22	34.1 (75/220)
Ct <22 on hospital admission	32.1 (35/109)

Abbreviations: Ct, cycle threshold; IgG, immunoglobulin G; PCR, polymerase chain reaction.