#' Aortic Stenosis RCT data
#'
#' Data from 5 randomized controlled trials of transcatheter aortic valve
#' replacement vs surgery in patients with Aortic Stenosis. The outcome is time
#' until death from any cause. For each RCT,
#' we reconstructed the individual patient data for each randomization group.
#' We first extracted the time and survival probability coordinates
#' from the Kaplan-Meier curves using the
#' DigitizeIt software (\url{http://www.digitizeit.de/}). We used
#' these coordinates, the total numbers of events, and the
#' numbers of participants at risk to determine individual
#' event times and event indicators. (Guyot, BMC Med Res Method 2012)
#' @docType data
#' @usage data(AorticStenosisTrials)
#' @note
#' \tabular{ccc}{
#' Trial ID \tab Trial Name \tab Last observed time (months)*\cr
#' ----------------- \tab ------------------- \tab ---------------------\cr
#' 1 \tab NOTION \tab 24.0\cr
#' 2 \tab PARTNER \tab 63.3\cr
#' 3 \tab SURTAVI \tab 24.1\cr
#' 4 \tab PARTNER2 \tab 36.1\cr
#' 5 \tab USCoreValve \tab 24.1}
#' * minimum of the last observed times across the two randomization groups.
#'
#' @references
#' Sondergaard, L, Steinbruchel, DA, Ihlemann, N, Nissen, H, Kjeldsen, BJ, Peturs-son, P, Ngo, AT, Olsen, NT,
#' Chang, Y, Franzen, OW and others. (2016). Two-year outcomes in patients with severe aortic valve stenosis
#' randomized to transcatheter versus surgical aortic valve replacement. Circ Cardiovasc Interv 9(6)
#'
#' Mack, MJ, Leon, MB, Smith, CR, Miller, DC, Moses, JW, Tuzcu, EM, Webb, JG, Douglas, PS,
#' Anderson, WN, Blackstone, EH and others. (2015).5-year outcomes of transcatheter aortic valve replacement or
#' surgical aortic valve replacement for high surgical risk patients with aortic stenosis (PARTNER 1):
#' a randomised controlled trial. Lancet 385, 2477-2484.
#'
#' Reardon, MJ, Van Mieghem, NM, Popma, JJ, Kleiman, NS, Søndergaard, L, Mum-taz, M, Adams, DH, Deeb, GM,
#' Maini, B, Gada, H and others. (2017). Surgical or transcatheter aortic-valve replacement in
#' intermediate-risk patients. N Engl J Med 376(14), 1321-1331.
#'
#' Leon, MB, Smith, CR, Mack, MJ, Makkar, RR, Svensson, LG, Kodali, SK, Thourani,VH, Tuzcu, EM, Miller,
#' DC, Herrmann, HC and others. (2016). Transcatheter orsurgical aortic-valve replacement in
#' intermediate-risk patients. N Engl J Med 2016(374), 1609-1620.
#'
#' Deeb, GM, Reardon, MJ, Chetcuti, S, Patel, HJ, Grossman, PM, Yakubov, SJ,Kleiman, NS, Coselli,
#' JS, Gleason, TG, Lee, JS and others. (2016). 3-year outcomes in high-risk patients who underwent surgical
#' or transcatheter aortic valve replacement. J Am Coll Cardiol 67(22), 2565-2574.
#'
#' Guyot P, Ades AE, Ouwens MJ, et al. Enhanced secondary
#' analysis of survival data: reconstructing the data from
#' published Kaplan-Meier survival curves. BMC Med Res Methodol 2012; 12:9.
"AorticStenosisTrials"
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