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Table 2 Mean resource use and cost by APEX trial treatment group for total hip replacements (available cases)

From: Local anaesthetic wound infiltration in addition to standard anaesthetic regimen in total hip and knee replacement: long-term cost-effectiveness analyses alongside the APEX randomised controlled trials

 

Intervention

Control

 

N

Mean resource use

(SD)

Mean cost

(SD)

N

Mean resource use

(SD)

Mean cost

(SD)

Initial inpatient stay

          

Theatre time (in minutes)

148

99

29

£1,407

£411

147

101

31.6

£1,441

£449

Recovery time (in minutes)

143

103

65

£397

£251

144

113

77.4

£435

£297

Days in wards

153

5.2

3.3

£1,597

£1,516

154

5.2

2.8

£1,553

£886

Secondary care after initial discharge

        

Inpatient admissions after initial discharge a

115

  

£341

£1,847

122

  

£101

£554

Orthopaedics appointments

142

1.96

1.2

£199

£121

146

1.97

1.4

£201

£138

Physiotherapy appointments

142

0.19

0.8

£7

£32

146

0.23

0.8

£9

£30

Accident and emergency visits

142

0.06

0.4

£7

£46

146

0.04

0.3

£5

£30

Other appointments

142

0.04

0.3

£5

£37

146

0.04

0.3

£7

£59

Community-based resources

          

GP contacts combined

107

1.90

3.3

£61

£113

108

2.66

4.5

£83

£145

Nurse contacts combined

110

1.60

4.1

£25

£70

114

1.24

2.7

£18

£41

Occupational therapist contacts combined

113

0.04

0.4

£1

£7

116

0.08

0.5

£1

£8

Community physiotherapist contacts combined

109

0.25

1.1

£4

£19

113

0.58

1.8

£10

£30

Prescribed medications a

113

  

£22

£77

120

  

£21

£55

Total NHS cost b

92

  

£3,773

£1,557

87

  

£3,762

£1,065

Personal social services (PSS)

          

Home care worker (in hours)

139

1.11

8.1

£27

£195

144

5.36

56.3

£129

£1,351

Meals (food at home services)

137

2.76

24.0

£9

£75

138

0.00

0.0

£0

£0

Contacts with social worker

138

0.05

0.5

£4

£36

144

0.13

1.1

£7

£59

Home changes a

161

  

£1

£3

158

  

£2

£5

Total NHS+PSS cost b

88

  

£3,837

£1,642

85

  

£3,948

£2,108

  1. a The category combines different types of resource use, therefore an overall mean resource use could not be calculated
  2. b Total costs computed for patients with complete cost categories