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Table 3 Estimations of the impact of the DM P4P program on health care expenses: Difference-in-differences method

From: Impact of a diabetes pay-for-performance program on nonincentivized mental disorders: a panel study based on claims database analysis

 

Outpatient Expenses

 

Total Expenses

Follow-up

Estimate

SE

P Value

 

Estimate

SE

P Value

Year 1

0.1819

0.0094

< 0.0001

 

0.0963

0.0149

< 0.0001

Year 2

0.1162

0.0093

< 0.0001

 

0.0833

0.0136

< 0.0001

Year 3

0.0715

0.0094

< 0.0001

 

0.0584

0.0134

< 0.0001

Year 4

0.0369

0.0098

0.0002

 

0.0228

0.0127

0.0735

Year 5

0.0032

0.0102

0.7564

 

-0.0055

0.0129

0.6714

Year 6

-0.028

0.0105

0.0078

 

-0.0336

0.0131

0.0103