Table 2.

Antibiotic usage prior to C. difficile infection according to different ribotypes and study intervals

Previously used antibiotics	Ribotype 027 N = 53	Other ribotypes N = 11	p	2014/2015  N = 45	2017/2018  N = 19	p
Fluoroquinolones n (%)	33 (62.3%)	2 (18.2%)	0.010	29 (64.5%)	6 (31.6%)	0.027
Cephalosporins n (%)	18 (33.9%)	5 (45.4%)	0.504	15 (33.3%)	8 (42.1%)	0.573
Carbapenems n (%)	2 (3.8%)	4 (36.4%)	0.006	1 (2.2%)	5 (26.3%)	0.007