Table 1. Participant demographics.

Swabs collected	1549
Patients enrolled	474
Median number of swabs/patients (range)	2 (1–20 swabs)
Median age (range)	74 Years (17–101)
Median length of hospital stay (days)	5 days (1–86 days)
CD positive by culture and PCR (%)	50/474 (10.6%)
Asymptomatic colonization	45/50 (90%)
CD infection	5/50 (10%)
CD positive at admission (< 72 hours)	21/45 (47%)