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Table 3 Predictive Margins on quarterly total medical costs (%)

From: Effects of 2018 Japan floods on healthcare costs and service utilization in Japan: a retrospective cohort study

 

Quarter

Victims

Non-victims

PM

(%)

95% CI

PM

(%)

95% CI

Lower

Upper

Lower

Upper

Top 10% per quarter for one year after the disaster

First

10.8

10.6

11.1

10.0

10.0

10.0

Second

11.2

10.9

11.5

10.0

10.0

10.0

Third

11.0

10.8

11.3

10.0

10.0

10.0

Fourth

12.3

12.1

12.6

10.0

10.0

10.0

Top 30% per quarter for one year after the disaster

First

33.4

33.0

33.8

30.0

29.9

30.0

Second

34.9

34.5

35.3

30.0

29.9

30.0

Third

34.5

34.2

34.9

30.0

29.9

30.0

Fourth

36.2

35.9

36.6

29.9

29.9

30.0

Top 50% per quarter for one year after the disaster

First

55.9

55.5

56.3

49.9

49.9

50.0

Second

56.6

56.2

57.0

50.0

49.9

50.0

Third

55.4

55.0

55.8

50.0

49.9

50.0

Fourth

57.2

56.8

57.6

49.9

49.9

50.0

  1. PM: Predictive Margin, CI: Confidence Interval, First quarter: July 2018 to September 2018, Second quarter: October 2018 to December 2018, Third quarter: January 2019 to March 2019, Fourth quarter: April 2019 to June 2019