TABLE 2.

Incidence rate ratios of pathogen-specific BSI in community, hospital, and LTC settings using segmented regression models, comparing peri-pandemic to pre-pandemic periods

BSI pathogen	Community		Hospital		Long-term care
	IRR a	95% CI b	IRR	95% CI	IRR	95% CI
S. pneumoniae	0.43 e	0.33–0.57	‑ c	-	-	-
Group A Streptococcus	0.86	0.74–1.01	-	-	-	-
Coagulase-negative staphylococci	1.18	0.95–1.46	1.24 d	1.03–1.48	-	-
S. aureus	0.91 d	0.84–0.99	1.01	0.90–1.15	1.06	0.76–1.47
Enterococcus spp.	1.05	0.94–1.17	1.13	1.00–1.28	1.14	0.74–1.77
E. coli	0.98	0.89–1.09	0.95	0.85–1.08	0.70 d	0.52–0.92
Klebsiella spp.	1.00	0.94–1.09	1.17	1.04–1.31	0.73	0.50–1.07

^a Incidence rate ratio.

^b 95% confidence interval.

^c Analysis not conducted due to insufficient incidence rates.

^d P value < 0.05.

^e P value < 0.01.