Adjusted survival curves.

(A) Time-to-first hospitalization for asthma among children born in New South Wales or Western Australia between 1997 and 1999 stratified by state of birth. wP as a first dose versus aP as a first dose. wP: whole-cell pertussis vaccine. aP: acellular pertussis vaccine. (B) Number at risk table. This figure was generated in R using the tidyverse core packages, as well as the survival and survminer libraries [1–4]. 1R Core Team. R: A Language and Environment for Statistical Computing [Internet]. Vienna, Austria: R Foundation for Statistical Computing; 2022. Available from: https://www.R-project.org/. 2Wickham H, Averick M, Bryan J, Chang W, D’Agostino McGowan L, François R, Müller K et al. Welcome to the tidyverse. J. Open Source Softw. 2019; 4(43), 1686. doi:10.21105/joss.01686. 3Therneau T. A package for survival analysis in R [Internet]. R package version 3.5–5. Available from: https://CRAN.R-project.org/package=survival. 4Kassambara A, Kosinski M, Przemyslaw B. survminer: Drawing Survival Curves using ’ggplot2’. R package version 0.4.9. [Internet]. 2021. Available from: https://CRAN.R-project.org/package=survminer .
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