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Table 3 Mean resource use and cost by APEX trial treatment group for total knee 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)

142

102

32

£1,449

£453

145

103

32.9

£1,461

£469

Recovery time (in minutes)

140

94

44

£359

£169

136

104

69.1

£398

£265

Days in wards

147

5.9

3.9

£1,789

£1,224

149

5.2

2.9

£1,586

£1,034

Secondary care after initial discharge

        

Inpatient admissions after initial discharge a

103

  

£104

£533

110

  

£296

£907

Orthopaedics appointments

128

2.06

1.5

£209

£149

137

1.99

1.4

£202

£143

Physiotherapy appointments

128

0.44

2.1

£17

£82

137

0.40

1.3

£16

£50

Accident and emergency visits

128

0.16

0.7

£18

£84

137

0.18

1.2

£20

£145

Other appointments

128

0.00

0.0

£0

£0

137

0.03

0.2

£4

£34

Community Based resources

          

GP contacts combined

85

2.65

4.3

£84

£151

102

3.83

5.7

£122

£212

Nurse contacts combined

90

0.98

1.4

£14

£22

104

1.09

2.7

£16

£43

Occupational therapist contacts combined

95

0.28

1.1

£5

£19

105

0.25

1.3

£4

£22

Community physiotherapist contacts combined

90

1.03

2.7

£18

£45

107

1.29

3.5

£22

£60

Prescribed medications a

102

  

£61

£211

108

  

£48

£81

Total NHS cost b

70

  

£3,807

£1,277

78

  

£4,255

£1,804

Personal social services (PSS)

          

Home care worker (in hours)

135

1.17

12.9

£28

£310

136

1.24

14.4

£30

£346

Meals (food at home services)

132

0.14

1.6

£0

£5

129

0.11

1.2

£0

£4

Contacts with social worker

133

0.11

1.1

£4

£45

134

0.14

1.6

£7

£84

Home changes a

157

  

£3

£13

158

  

£1

£4

Total NHS+PSS cost b

70

  

£3,811

£1,276

75

  

£4,303

£2,102

  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