. 2023 May 6;37(5):675–684. doi: 10.1007/s40259-023-00601-w

Table 2.

Interrupted time-series analysis of monoclonal antibodies and antivirals use across two different time segments: pre-Omicron and Omicron predominance in Italy

	Time window	β	Prevalence ratio	95% CI	p-Value
mAbs	Pre-omicron^a	0.008	1.008	1.006–1.009	0.192
	Omicron^b	−0.601	0.548	0.518–0.577	< 0.001
	Omicron^a	−0.024	0.976	0.973–0.979	< 0.001
Antivirals	Omicron^{c, b}	–	–	–	–
Antivirals	Omicron^a	0.121	1.129	1.100–1.158	< 0.001

mAbs monoclonal antibodies, CI confidence interval

^aSlope change parameter

^bLevel change parameter

^cNot applicable