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Table 1 Characteristics of the Taiwanese population for concurrent and prospective analyses

From: An in-depth assessment of a diagnosis-based risk adjustment model based on national health insurance claims: the application of the Johns Hopkins Adjusted Clinical Group case-mix system in Taiwan

 

Concurrent

Prospective

Inclusion criteria

2002 12 month enrollment

2002 & 2003 24 month enrollment

No. of observations

173,234

164,562

Male

50.16%

49.35%

Insured

40.77%

40.93%

Age in 2002

34.86

34.98

Age group in 2002

  

   0 - 17

23.29%

23.84%

   18 - 34

28.22%

26.83%

   35 - 49

24.96%

25.51%

   50 - 64

13.83%

14.19%

   65+

9.70%

9.62%

Bureau of National Health Insurance branch

  

   Taipei

32.68%

32.52%

   North

14.84%

14.81%

   Central

19.78%

19.94%

   Southern

14.24%

14.42%

   Kao-Pin

16.10%

16.03%

   Eastern

2.32%

2.27%

Residence level

  

   Special municipality

21.66%

21.31%

   City

14.94%

15.13%

   County

63.37%

63.56%

Medical utilization

Year 2002

Year 2003

1+Outpatient visit/expenditure

89.99%

89.71%

1+Inpatient visit/expenditure

8.04%

7.17%

1+ Drug expenditure

89.46%

87.77%

1+ Total expenditure

90.38%

90.05%

Total expenditure (NTD/year)*

14,279

14,741

Medical expenditure (NTD/year)*

9,968

10,214

Pharmacy expenditure (NTD/year)*

3,912

4,108

Inpatient expenditure (NTD/year)*

4,781

4,788

Outpatient expenditure (NTD/year)*

9,245

9,577

  1. 1 US dollar = 32 New Taiwan dollar (NTD) as of November 2009