Table 1.

Average monthly bed occupancy and decline in bed occupancy comparing the pre-rotavirus vaccination and post-rotavirus vaccination period for any admission, any infection, acute gastroenteritis and rotavirus gastroenteritis on general medical wards in Alder Hey NHS Foundation Trust, July 2007–June 2015

Variable	Average bed occupancy in rotavirus season (range)		Crude risk ratio (95% CI)	Adjusted risk ratio (95% CI)*	Decline in bed occupancy (95% CI)	P value
	Prevaccination	Postvaccination
All	77% (70%–85%)	79% (67%–87%)	1.03 (0.99 to 1.08)	0.96 (0.91 to 1.01)	4% (−1% to 9%)	0.15
Any infection†	39% (25%–56%)	42% (33%–51%)	1.09 (0.95 to 1.25)	0.77 (0.69 to 0.85)	23% (15% to 31%)	<0.001
AGE†	5% (1%–16%)	3% (1%–8%)	0.72 (0.45 to 1.13)	0.37 (0.22 to 0.61)	63% (39% to 78%)	<0.001
RVGE‡	5% (0%–17%)	1% (0%–4%)	0.18 (0.09 to 0.35)	0.11 (0.05 to 0.27)	89% (73% to 95%)	<0.001

*Adjusted for seasonality and secular trend.

†Diagnosis of any infection and AGE by clinical coding only.

‡Diagnosis of RVGE by clinical coding and laboratory results.

AGE, acute gastroenteritis; NHS, National Health Service; RVGE, rotavirus gastroenteritis.