How Technological Innovation Affect China’s Pharmaceutical Smart Manufacturing Industrial Upgrading

Table 3

Correlation test results of innovation indicators.

Variable	Internal expenditure of R&D	External expenditure of R&D	New products development expenditure	Full-time equivalent on R&D personnel
Sales revenue of new products	0.987	0.949	0.985	0.959
Number of patent applications	0.906	0.881	0.912	0.917

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