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Table 4 Cost-effectiveness of improving screening rates by sending out patient reminders by population size

From: Effect size and cost-effectiveness estimates of breast and cervical cancer screening reminders by population size through complete enumeration of Japanese local municipalities

   

Population (n)

Estimated number of eligible subjects a(n)

Cost of posting a reminder to one person(US dollarsb/person)

Cost of posting reminders to all subjects (thousand US dollarsb)

Attendance rate improvement attributed to patient remindersc(%)

Increase in the number of screening tests attributed to patient reminders (n)

Incremental cost per additional screening (US dollarsb)

Cost of increasing attendance rate by 1% (US dollarsb)

Breast cancer screening

Population fewer than 50 000

25%

6,917

2,041

1.5

3.1

1.5

31

100

2,041

Median

14,926

4,403

1.5

6.6

1.5

66

100

4,403

75%

28,501

8,408

1.5

12.6

1.5

126

100

8,408

Population between 50 000 and 100 000

25%

57,566

16,982

1.5

25.5

2.76

469

54

9,229

Median

67,181

19,818

1.5

29.7

2.76

547

54

10,771

75%

80,255

23,675

1.5

35.5

2.76

653

54

12,867

Cervical cancer screening

Population fewer than 50 000

25%

6,917

2,041

1.5

3.1

1.01

21

149

3,030

Median

14,926

4,403

1.5

6.6

1.01

44

149

6,539

75%

28,501

8,408

1.5

12.6

1.01

85

149

12,487

Population between 50 000 and 100 000

25%

57,566

16,982

1.5

25.5

2.25

382

67

11,321

Median

67,181

19,818

1.5

29.7

2.25

446

67

13,212

75%

80,255

23,675

1.5

35.5

2.25

533

67

15,783

  1. aBreast cancer screening is offered to women older than 40 years (29.5% of the population), and cervical cancer screening to women older than 20 years (42.3% of the population).
  2. b1 US dollar =100 yen.
  3. cAttendance rate improvement attributed to patient reminders was calculated in Table 3.