Skip to main content

Table 1 General characteristics of patients and hospitals in this study

From: Effects of a mandatory DRG payment system in South Korea: Analysis of multi-year nationwide hospital claims data

Variables

Total

Patients in MPHs (N: 877,012)

Patients in VPHs (N: 2,160,994)

p-value

N

%

N

%

Patient characteristics

Age

      

<.001

 

20-34

771,461

308,009

35.1

463,452

21.5

 

35-49

706,019

260,116

29.7

445,903

20.6

 

50-64

584,997

148,509

16.9

436,488

20.2

 

65-74

585,253

97,911

11.2

487,342

22.6

 

75-

390,276

62,467

7.1

327,809

15.2

 

Mean ± SD - yr

52.3±7.1

45.4

±6.4

54.1

±8.7

<.001

Sex

      

<.001

 

Male

1,102,541

251,154

28.6

851,387

39.4

 

Female

1,935,465

625,858

71.4

1,309,607

60.6

 

Principal diagnosis

     

<.001

 

Cataract surgery

1,191,471

164,350

18.7

1,027,121

47.5

 

Tonsillectomy & adenoidectomy

34,108

29,514

3.4

4,594

0.2

 

Appendectomy

189,782

153,249

17.5

36,533

1.7

 

Herniotomy

62,042

40,962

4.7

21,080

1.0

 

Hemorrhoidectomy

793,650

81,239

9.3

712,411

33.0

 

Hysterectomy

279,737

182,766

20.8

96,971

4.5

 

Cesarean delivery

487,216

224,932

25.7

262,284

12.1

 

Charlson comorbidity index (CCI)

     

<.001

 

0

1,029,110

401,308

45.7

627,802

29.1

 

1

476,180

168,393

19.2

307,787

14.2

 

2

377,376

99,015

11.3

278,361

12.9

 

3

484,961

89,543

10.2

395,418

18.3

 

≥4

670,379

118,753

13.5

551,626

25.5

 

Hospital characteristics

Hospital type

     

<.001

 

Tertiary hospital

44

44

3.1

0

0

 

General hospital

294

198

13.8

96

4.4

 

Hospital

582

346

24.2

236

10.8

 

Clinic

2,706

844

58.9

1,862

84.9

 

Hospital ownership

     

<.001

 

Public

36

1

0.1

35

1.6

 

Corporation

405

299

20.9

106

4.8

 

Private

3,185

1,132

79.1

2,053

93.6

 

Teaching status

     

<.001

 

Teaching

157

122

8.5

35

1.6

 

Non-teaching

3,469

1,310

91.5

2,159

98.4

 

Location

      

<.001

 

Urban

3,216

1,237

86.4

1,979

90.2

 

Rural

410

195

13.6

215

9.8

 

Number of bed - mean ± SD

148±106

118

±86

30

±21

 

Number of doctor - mean ± SD

34±47

29

±46

5

±4

 

Number of nurse - mean ± SD

63±72

54

±82

9

±12

 
  1. P-values were calculated with the use of Chi-square tests (or Student’s t-test) of association unless otherwise indicated
  2. MPH mandatory participation hospital
  3. VPH voluntary participation hospital