Table 1.

Proportion of LRTI-related hospitalizations with a billed RSV test

		Number of hospitals	Mean (± SD)	Median (range)	P value
Total	Total pre-pandemic (2016–2019)	937	12.4 (± 15.8)	4.3 (0.0–69.0)	N/A
RSV season	10/1/2016–4/30/2017	855	8.7 (± 13.7)	0.8 (0.0–62.4)	< 0.0001
	10/1/2017–4/30/2018	819	12.6 (± 16.9)	2.8 (0.0–72.6)
	10/1/2018–4/30/2019	847	15.8 (± 18.5)	6.3 (0.0–73.3)
Bed size	≥ 200	442	15.3 (± 16.2)	9.1 (0.0–60.1)	< 0.0001
	< 200	495	9.9 (± 15.0)	1.6 (0.0–69.0)
Teaching status	Non-teaching	663	10.7 (± 14.9)	2.5 (0.0–69.0)	< 0.0001
	Teaching	274	16.5 (± 17.0)	11.0 (0.0–67.8)
Population served	Rural	272	8.0 (± 14.0)	0.7 (0.0–69.0)	< 0.0001
	Urban	665	14.2 (± 16.1)	7.4 (0.0–67.8)

The chi-square test was performed at the individual patient’s visit-level, whereas the rest of the statistical tests were performed at the hospital-level. This is due to the same hospitals contributing to each year, resulting in non-independence

LRTI lower respiratory tract infection, RSV respiratory syncytial virus, SD standard deviation