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Volume 30, Number 1—January 2024
Research

Population-Based Study of Pertussis Incidence and Risk Factors among Persons >50 Years of Age, Australia

Rodney Pearce, Jing ChenComments to Author , Ken L. Chin, Adrienne Guignard, Leah-Anne Latorre, C. Raina MacIntyre, Brittany Schoeninger, and Sumitra Shantakumar
Author affiliations: Medical HQ Family Practice, Glynde, South Australia, Australia (R. Pearce); GSK, Singapore (J. Chen, S. Shantakumar); IQVIA, Melbourne, Victoria, Australia (K.L. Chin); Monash University, Melbourne (K.L. Chin); GSK, Wavre, Belgium (A. Guignard); GSK, Melbourne (L.-A. Latorre); University of New South Wales, Sydney, New South Wales, Australia (C.R. MacIntyre); IQVIA, Sydney (B. Schoeninger)

Main Article

Table 4

Comparison of median number of GP visits within 1 year before pertussis diagnosis by history of influenza vaccination and age groups in persons ≥50 years of age, Australia*

Age group, y History of influenza vaccination, median (IQR) visits
 p value†
No Yes
50–64 5 (8) 9 (8) <0.001
65–74 6 (9.5) 13 (9) <0.001
75–84 8 (12) 13 (15) <0.001
≥85 8 (10.5) 15 (17) 0.01

*GP, general practitioner; IQR, interquartile range. †Differences in median number of GP visits within 1 year before the pertussis diagnosis within each age group.

Main Article

Page created: November 30, 2023
Page updated: December 21, 2023
Page reviewed: December 21, 2023
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