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Table 1 Drug Price Increase “Hot Spots”a

From: Generic prescription drug price increases: which products will be affected by proposed anti-gouging legislation?

Price Change Distribution, Measured at the Drug Level 2013-2014
Overall % > Medical CPI % > 15% % > 20%
Number of Unique Molecules in Sample 2,285 1,648 987 826
Molecule-Seller-Formulation Combinations in Sample 6,182 3,102 1,713 1,425
Percentage of Molecule-Seller-Formulation Combinations Meeting Threshold - 50% 28% 13%
Number of Manufacturers in Sample 378 319 213 197
Percentage of total manufacturers producing molecules meeting threshold - 84% 56% 52%
Quarterly Use (millions of units)
 Mean 7.83 7.03 7.49 7.94
 Standard Deviation 3.48 3.67 2.62 2.76
Quarterly Sales (millions of dollars)
 Average 3.66 3.78 3.53 2.83
 Standard Deviation 1.73 2.01 1.71 1.13
Price Change
 Mean 38% 93% 162% 191%
 Median 2% 17% 41% 52%
 95th Percentile 135% 249% 376% 424%
 Standard Deviation 1053% 1485% 1995% 2187%
Price Level, 2013 ($)
 Average 29.69 43.35 30.72 22.63
 Standard Deviation 378.44 521.16 385.12 292.56
Hot Spot Market Shareb
 Based on Total Extended Units Sold - 45% 27% 23%
 Based on Total Inflation-Adjusted Sales - 25% 12% 8%
  1. aAuthors’ calculations using IQVIA Health NSP data. All analyses used STATA 14.0 (College Station, Texas)
  2. bHot Spot market share was calculated in terms of total extended units (total extended units sold by hot spot products divided by total extend units sold of all products) and total inflation-adjusted sales (total inflation-adjusted sales of products by hot spot products divided by total inflation-adjusted sales of all products) by era