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Table 3 Economic evaluation characteristics of all included studies

From: A systematic review of economic evaluation of healthcare associated infection prevention and control interventions in long term care facilities

Authors

Health Measure (outcomes of intervention)

Intervention

Control

Incremental cost (E)

Incremental effect or incremental benefit (F)

Incremental cost-savings (G)

Incremental cost-effectiveness ratio (H)

Cost of intervention (A)

Outcomes (effects or benefits) of intervention (B)

Cost of control (C)

Outcomes (effects or benefits) of control (D)

E = A-C

F = B-D

F in $

G = absolute (F in $) – absolute (E)

H = (F/E) * 104

(in health measure/$)

H = (F in $/E) * 104

Campbell et al. (33)

Strategy 3 testing

$124,800,000

 

$67,800,000

 

$57,000,000 a

 

$113,300,000 a

-$56,300,000

 

$19,877·19 a

Strategy 3 + Strategy 1 + Status Quo testing

$203,700,000

  

$135,900,000 a

 

$218,000,000 a

-$82,100,000

 

$16,041·21 a

Church et al. (28)

Duration of influenza outbreak (days)

$69·52

9 a

$98·55

16 a

-$29·03

-7 a

  

2,411·30 a

 

Hutton et al. (31)

CAUTI events

$139,948

15·5

$173,986

24·2

-$34,038

-8·7

-$15,136

-$18,902 a

2.56 a

$4,446·79 a

Hospitalisation due to CAUTI events

6·8

9·7

-2·9

-$39,180

-$5,142 a

0.85 a

$11,510·66 a

QALYs lost from CAUTI events

0·35

0·55

-0·2

    

Total

   

54,316

$20,278

 

-$15,957·45 a

Lee et al. (34)

Number of CRE Infections

All facilities eligible

$303,300,000

2,896

$325,500,000

3186

-$22,200,000 a

-290 a

  

0·13 a

 

Geographic constraint

$298,400,000

2,853

-$27,100,000 a

-333 a

  

0·12 a

 

Number of CRE-Attributable Deaths

All facilities eligible

$303,300,000

348

383

-$22,200,000 a

-35 a

  

0·02 a

 

Geographic constraint

$298,400,000

343

-$27,100,000 a

-40 a

  

0·01 a

 

QALYs Lost

All facilities eligible

$303,300,000

3,679

4,049

-$22,200,000 a

-370 a

  

0·17 a

 

Geographic constraint

$298,400,000

3,626

-$27,100,000 a

-423 a

  

0·16 a

 

Li et al. (32)

LYs gained

Xpert

$162

11·1952

$121

11·1907

$41

0·0045

  

1·1 a

 

CXR

$168

11·1942

$47

0·0035

  

0·74 a

 

LTBI/TB screening

$430

11·2003

$309

0·0096

  

0·31 a

 

QALYs gained

Xpert

$162

11·1702

11·1634

$41

0·0068

  

1·66 a

 

CXR

$168

11·1687

$47

0·0053

  

1·13 a

 

LTBI/TB screening

$430

11·1792

$309

0·0158

  

0·51 a

 

Marchand et al. (27)

Cases of TB predicted (conversion rate 0.6%)

$6,100

0·52

$3,204

1·28

$2,896

-0·76

  

-2·62 a

 

TB-related deaths predicted (conversion rate 0.6%)

0·24

0·55

-0·31

  

-1·07 a

 

Cases of TB predicted (conversion rate 0)

$5,965

0·52

$2,283

0·95

$3,682

-0·43

  

-1·17 a

 

TB-related deaths predicted (conversion rate 0)

0·21

0·40

-0·19

  

-0·52 a

 

Salmerón et al. (35)

PCR and quarantines avoided

       

$14,753·5

  

Sansone and Bravo (36)

UTI rate per quarter

$23,125

2·3%

$33,907

3·3% a

-$10,782 a

-1% a

  

0·01 a

 

Trick et al. (29)

MRSA case patients’ percentage among those at risk

$2,415

20%

$6,066

18%

-$3,651 a

2% a

  

-0·05 a

 

ESBL KP case patients’ percentage among those at risk

10%

17%

-7% a

  

0·19 a

 

ESBL EC case patients’ percentage among those at risk

15%

11%

4% a

  

0·11 a

 

VRE case patients’ percentage among those at risk

6·8%

8·1%

-1·3% a

  

0·04 a

 

Verma et al. (30)

Cases/1000 entrants - LTBI screening

$202,822

4·6

$124,416

5·3

$78,405

-0·7 a

  

-0·000009 a

 

Cases/1000 entrants - Active TB screening

$655,649

4·5

5·3

$531,233

-0·8 a

  

-0·000002 a

 
  1. a: Data calculated by the authors based on the data extracted from the studies