Abstract P235 – Table 1. Characteristics of the study population.
	Flu season 2018/19	Flu season 2019/20
Total number of patients per flu season	6451	5289
Age [years]; median (IQR)	48 (38 to 55)	48 (39 to 56)
Age ≥60 years; n (%)	864 (13)	770 (15)
Female; n (%)	1238 (19)	926 (18)
Time since first HIV diagnosis [years]; median (IQR)	11 (6 to 19)	11 (5 to 19)
Absolute CD4 cell count (pre‐vaccination/Q4 [cells/μL]; median (IQR)	688 (500 to 910)	688 (505 to 893)
Absolute CD4 cell counts <200/μL (pre‐vaccination/Q4) [cells/μL]; n (%)	181 (3)	135 (3)

IQR, interquartile range.