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Table 2 The trends of each dependent variable before and after the 2011 policy. Unit: Mean ± SD

From: The effect of increasing the coinsurance rate on outpatient utilization of healthcare services in South Korea

 

Before intervention

After intervention

p-value

2010.1–2011.9

2011.10–2013.12

Percentage of general and tertiary hospital utilization

5.921 ± 0.390

5.410 ± 0.380

<0.0001

General and tertiary hospital utilization

 Number of outpatient visits

0.099 ± 0.005

0.092 ± 0.006

<0.0001

 Outpatient medical costs

9273.8 ± 542.8

6316.4 ± 366.5

<0.0001

Hospital and clinic utilization

 Number of outpatient visits

1.576 ± 0.042

1.617 ± 0.041

<0.0001

 Outpatient medical costs

44935.1 ± 1242.6

46206.1 ± 976.2

<0.0001

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BMC Health Services Research

ISSN: 1472-6963

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