TABLE 1.

Age distribution of the study patients

Age years	Vaccinated group	Unvaccinated group
45–60 years	3 (2.5)	6 (5.0)
61–80 years	42 (35)	46 (76.7)
>80 years	15 (12.5)	8 (13.3)
Total	60 (50.0)	60 (50)

Data are presented as n (%).