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Table 3 Results for the cost effectiveness analysis (Monte Carlo micro-simulation 50,000 times)

From: Cost-effectiveness analysis for HbA1c test intervals to screen patients with type 2 diabetes based on risk stratification

Population

Interval

QALY

Incremental QALY

Cost ($)

Incremental cost ($)

ICER ($/QALY)

Age

BMI group

30–44

Underweight

Annual

30.12

2467.16

Dominated

3-year

30.16

0.01

963.10

557.19

93,898.79 (vs 10-year)

10-year

30.16

405.92

Normal

Annual

30.13

2489.28

Dominated

3-year

30.15

0.01

1112.80

385.93

63,295.18 (vs 6-year)

6-year

30.14

726.86

Overweight

Annual

29.86

2894.63

Dominated

3-year

29.97

2678.14

Dominated

4-year

29.97

2477.31

Dominant

Obese

Annual

28.88

4313.80

2-year

29.18

8965.05

Dominated

3-year

29.19

0.31

8948.87

4635.07

15,034.02 (vs Annual)

45–59

Underweight

Annual

23.54

1949.99

Dominated

3-year

23.55

879.01

Dominated

10-year

23.55

408.86

Dominant

Normal

Annual

23.45

2081.91

Dominated

3-year

23.48

1445.89

Dominated

6-year

23.49

1107.16

Dominant

Overweight

Annual

23.17

2763.11

Dominated

3-year

23.20

2753.06

Dominated

4-year

23.26

2908.66

Obese

Annual

22.27

3024.01

3-year

22.66

0.4

7647.58

4623.57

11,849.71 (vs Annual)

4-year

22.63

7348.82

Dominated

60–74

Underweight

Annual

15.74

1325.15

Dominated

3-year

15.77

0.02

651.84

198.73

11,377.06 (vs 6-year)

6-year

15.75

453.10

Normal

Annual

15.69

1379.50

Dominated

3-year

15.72

0.02

1039.23

319.93

18,123.44 (vs 7-year)

7-year

15.70

719.29

Overweight

Annual

15.47

1481.22

3-year

15.56

0.02

1829.22

275.64

12,537.81 (vs 5-year)

5-year

15.54

0.07

1553.58

72.36

1006.48 (vs Annual)

Obese

Annual

15.01

1617.53

3-year

15.23

0.22

3552.88

1935.34

8685.76 (vs Annual)

4-year

15.21

3363.21

Dominated

  1. Underlined intervals are found to be the most cost-effective strategies with willingness-to-pay threshold of $50,000. Units of costs, incremental costs and ICER is in USD$