Table 2

Included person-years and events

Diabetes	Period	N (PY)	Number of outcomes*
Diabetes	Period	N (PY)	ILI	PI	ALL
Working age
diabetes	PRE	70415	33518	387	7584
	INS	70380	38804	487	7829
	POST	54504	21842	236	5683
Elderly
diabetes	PRE	49877	20569	775	14326
	INS	50308	23008	953	14945
	POST	38421	13598	550	10928
No diabetes (matched controls)	PRE	77347	27376	725	12374
	INS	76233	28499	815	12679
	POST	55881	16706	494	8640

*Outcomes: ALL, all-cause hospitalisations; ILI, influenza-like illness; PI, pneumonia and influenza hospitalisations.
INS, Influenza season; POST, Post-season period from the end of influenza season until June 30 each year; PRE, Pre-season period from October to the beginning of influenza season.