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Table 5 Cost-consequence analysis

From: A pilot cluster randomised trial to assess the effect of a structured communication approach on quality of life in secure mental health settings: The Comquol Study

Resource Use and Costs

Intervention group (n = 55)

Control group (n = 57)

Total cost of intervention

£30,413

£0

Cost of intervention per patient including nurse training

£529–576

£0

Average number of days in the facility over 12 months, mean (SD)

341 (56)

338 (37)

Average cost of stay in the facility (bed-day cost) over 12 months

£166,064

£164,506

Number of incidents over 12 months

 suicide attempt

2

17

 self-harm

47

93

 violence against others

50

96

 violence against inanimate objects

81

76

 absconding/escape

8

11

Cost of incidents over 12 monthsa

 suicide attempt

£1,688–£3,622

£14,350–£30,788

 self-harm

£7,949–£12,961

£15,729–£25,647

 violence against others

£3,323–£10,954

£6,380–£21,033

 violence against inanimate objects

not available

not available

 absconding/escapeb

£10,737–£10,816

£14,763–£14,872

Total cost of incidents

£23,697–£38,354

£51,222–£92,340

Cost of incidents per patient

£456–£738

£985–£1,776

Average treatment cost (intervention + stay + incidents)

£167,049–£167,378

£165,491–£166,282

  1. aestimated using micro-costing approach
  2. bassumes 50 % absconding 50 % escape, since these incidents were recorded together