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Table 2 Results from the estimation model of OECD countries from 2008 to 2017

From: Investigation the determinants of pharmaceutical expenditure share of GDP in Iran and selected OECD countries

Independent variables Coefficient t-Statistic Probability
C 1.1942 1.211 0.2308
GDP − 0.0058 − 5.5823 0.0000
GHE 0.1432 7.1777 0.0000
DALY 0.0028 2.0726 0.0428
GENERICVOL − 0.0143 − 4.8635 0.0000
R-squared: 0.9794 Probability (F-statistic): 0.0001