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Table 4 Factorial design results

From: Innovation in health economic modelling of service improvements for longer-term depression: demonstration in a local health community

Design

Self-referral

Drop-out reduction

Widening non-therapy

QALYs

Costs

Incremental analysis

      

ICER

Comparatora

1

-

-

-

14.912

£832

-

 

2

-

+

-

14.935

£1,512

Dominated

Compared to 4

4

+

-

+

14.956

£891

£1,335

Compared to 1

3

+

-

-

14.964

£1,166

Dominated

Compared to 7

6

-

-

+

14.986

£1,568

Dominated

Compared to 7

5

+

+

-

15.002

£2,065

Dominated

Compared to 7

7

-

+

+

15.019

£1,150

£5,533

Compared to 4

8

+

+

+

15.042

£1,993

£24,586

Compared to 7

  1. Results ordered from smallest to largest QALYs - = factor not active + = factor active.
  2. a Comparison against the next less-effective non-dominated option.