Table 1. Characteristics of Covid-19 patients with nosocomial acquisition.

Characteristics	All patients(N=49)
Female, n (%)	28 (57.1)
Age, median (IQR)	85.4 (83.5–89.3)
Asymptomatic, n (%)	3 (6.1)
Onset of symptoms before swab date, n (%)	12 (24.5)
Days from onset of symptoms to swab, median (IQR)	0 (0–0)
Days from onset of symptoms to swab, mean (SD)	–0.29 (2.19)