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Table 1 Medical cost and length of hospital stay in sepsis cohort

From: Temporal trends of medical cost and cost-effectiveness in sepsis patients: a Japanese nationwide medical claims database

 

Total

Year

2010

2011

2012

2013

2014

2015

2016

2017

Number of patients

1,276,678

67,318

100,060

126,414

141,670

181,813

197,388

228,190

233,825

Age, year

77 (67–84)

76 (65–83)

76 (66–83)

75 (65–83)

76 (65–83)

77 (67–84)

77 (67–84)

77 (68–85)

78 (68–85)

Male, n (%)

752,275 (58.9)

40,548 (60.2)

60,018 (60.0)

76,476 (60.5)

84,679 (59.8)

106,710 (58.7)

115,588 (58.6)

132,699 (58.2)

135,557 (58.0)

In‐hospital mortality, n (%)a

216,607 (18.9)

15,620 (24.1)

20,108 (21.7)

24,848 (21.5)

25,405 (19.8)

30,348 (18.6)

31,152 (17.9)

34,801 (17.3)

34,325 (16.9)

Gross medical costs ($)

2.64 × 1010

1.73 × 109

2.68 × 109

2.83 × 109

3.01 × 109

3.66 × 109

3.91 × 109

4.28 × 109

4.38 × 109

Adjusted gross medical costs ($)b

2.87 × 1010

2.36 × 109

3.22 × 109

3.31 × 109

3.55 × 109

3.88 × 109

3.91 × 109

4.02 × 109

4.38 × 109

Total medical cost per hospitalization ($)

 Mean (SD)

20,743 (28,169)

25,742 (26,248)

26,817 (33,192)

22,355 (29,723)

21,237 (27,746)

20,156 (33,135)

19,802 (26,045)

18,738 (25,032)

18,743 (25,442)

 Median (IQR)

12,546 (6593–24,597)

17,432 (8795–33,018)

17,033 (8668–33,126)

13,690 (7007–26,699)

12,759 (6629–25,157)

12,092 (6341–23,702)

11,917 (6292–23,219)

11,355 (6144–21,881)

11,410 (6213–21,835)

Daily medical cost per person ($)

 Mean (SD)

510 (410)

568 (332)

574 (619)

493 (395)

495 (364)

501 (486)

505 (388)

499 (349)

504 (354)

 Median (IQR)

412 (328–565)

480 (405–617)

485 (412–622)

386 (307–547)

391 (312–550)

396 (319–554)

401 (323–557)

400 (323–550)

404 (326–556)

Length of hospital stay (day)

 Mean (SD)

44.9 (92.9)

50.3 (70.1)

51.6 (106.6)

51.0 (109.8)

47.3 (93.3)

44.2 (86.0)

43.0 (72.1)

41.2 (96.0)

41.1 (99.0)

 Median (IQR)

29 (15–54)

34 (17–63)

33 (17–63)

33 (17–61)

30 (16–57)

28 (15–53)

28 (15–52)

26 (15–50)

26 (14–49)

  1. Data are presented as mean (SD) or median (quartile)
  2. SD standard deviation, IQR interquartile range
  3. aAfter excluding repeat hospitalizations, total number of sepsis patients was 1,143,422
  4. bThe value was adjusted by the number of registered patients in the DPC system during the year