Fig 1.
Five Decades of Exponential Growth in Congressional Appropriations at NHLBI.
Average yearly congressional appropriation per decade for the National Heart, Lung, and Blood Institute from 1950 through 2014 [1]. The numbers adjacent to the data points indicate the magnitude of appropriation increase relative to the previous decade.
Fig 2.
The Percentile Payline Crash of 2006.
Average aggregate payline percentiles, for those RPG grant mechanisms that were percentiled, for select years between 1998 and 2014 at (a) NIH and (b) NHLBI.
Fig 3.
Timeline of funding and payline events during analysis project period.
Fig 4.
Demographics of RPG Awardees is Shifting towards an Older Population.
Proportion of RPG awardees by age group (blue diamond = ages 24–40, red square = ages 41–55, green triangle = ages56-70+) for select years between 1998 and 2014 for (a) NIH and (b) NHLBI. Dashed lines are trend line forecasts through the data curves with R2 values appended.
Fig 5.
Prospects of Receiving a New Award or Renewing an Existing Award are Approximately Equal among the Age Groups.
RPG competing award rates at NIH by age group for select years between 1998 and 2014.
Fig 6.
Gradient of Multi-Grant Associated Survival Benefit.
The aggregate average number of the total NIH RPG awards per awardee by age group plus or minus the standard error of the mean during the period of 1998 through 2014.
Fig 7.
Magnitude of Multi-Grant Survival Benefit is Approximately Constant over Time.
Average number of NIH RPG awards per awardee by age group plus or minus the standard error of the mean for select years between 1998 through 2014.
Fig 8.
Disproportionate Allocation of Total RPG Direct Dollars.
Average amount of total RPG direct dollars per awardee by age group for selected years between 1998 and 2014 at (a) NIH and (b) NHLBI.
Fig 9.
Changing Distribution of NIH P01 Funding.
Competing P01 direct dollars by age group (blue bar = ages 24–40, red bar = ages 41–55, green bar = ages 56–70+) for select years between 1998 and 2014 at NIH.
Fig 10.
Selective Reduction in the Number of Mid-career Awardees.
Number of NHLBI competing RPG awardees by age group for selective years between 1998 and 2014. Dashed line is a trend line forecast through the data curve with R2 value appended.