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Table 4 Cost-effectiveness of FECH according to (a) base-case analysis and (b-h) deterministic sensitivity analyses

From: The cost-effectiveness of a telephone-based intervention to support caregivers of older people discharged from hospital

Analysis Branch Cost Incr cost Effectivenessa Incr eff ICERd
a) ITT (base case) Control 15.34 0.21 1730.84
Intervention 283.62 268.28 0.36 0.15  
b) FACQ – Distress Control 15.34 −0.09b 1788.53
Intervention 283.62 268.28 −0.24b 0.15  
c) FACQ – Strain Control 15.34 0.01c 1676.75
Intervention 283.62 268.28 −0.15c 0.16  
d) Per-protocol analysis Control 15.89 0.22 1431.23
Intervention 352.53 336.34 0.45 0.24  
e) FECH costs based on 25th percentile observed during trial Control 15.34 0.21 1297.55
Intervention 216.46 201.12 0.36 0.15  
f) FECH costs based on 75th percentile observed within trial Control 15.34 0.21 2187.61
Intervention 354.42 339.08 0.36 0.15  
g) FECH effectiveness based on lower limit of 95% CI of population proportion Control 15.34 0.21 5061.89
Intervention 283.62 268.28 0.26 0.15  
h) FECH effectiveness based on upper limit of 95% CI of population proportion Control 15.34 0.21 1043.89
Intervention 283.62 268.28 0.46 0.26  
  1. Deterministic sensitivity analyses vary from base-case as follows: (b) outcome of carer distress at Time 2; (c) outcome of carer strain at Time 3; (d) carer preparedness under per-protocol analysis; (e-f) carer preparedness at the interquartile range of FECH costs observed; (g-h) carer preparedness at the limits of the 95% CI of the proportion of carers reporting an improvement in preparedness
  2. aProportion of carers in each group reporting an improvement of at least two points on the Carer Preparedness scale to Time 2, unless otherwise stated
  3. bMean change in distress scores to Time 2
  4. cMean change in strain scores to Time 3
  5. dAUD$2015