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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