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# Table 2 Base-case cost effectiveness results (probabilistic analysis)

Intervention Expected QALYs Expected Costs (£s) Incremental QALYs Incremental Costs (£s) ICER (£s per QALY) Probability CE (£30,000) Probability CE (£50,000)
(1) UC 25,056.393 19,317 ---- ---- ---- 0.619 0.312
(25039.06 to 25073.8) (7850 to 40561)
(2) E 25,056.401 20,055 ---- ---- Extendedly 0.000 0.001
(25039.07 to 25073.81) (8750 to 41093) dominated
(3) E + FE 25,056.416 20,094 0.023 777 34,200 0.381 0.687
(25039.09 to 25073.81) (9193 to 40546)
(4) E + FE + HI 25,056.416 22,091 ---- ---- Dominated 0.000 0.000
(25039.09 to 25073.82) (11047 to 42710)
(5) E + FE + F 25,056.416 21,638 ---- ---- Dominated 0.000 0.000
(25039.09 to 25073.81) (10654 to 42219)
(6) E + HI 25,056.403 21,991 ---- ---- Dominated 0.000 0.000
(25039.08 to 25073.81) (10673 to 43168)
(7) E + FE + F + HI 25,056.417 23,596 0.001 3,502 3,466,635 0.000 0.000
(25039.09 to 25073.82) (12021 to 44319)
1. Data are expected QALY (95% credibility interval) and expected costs (95% credibility interval) per 1,000 households. (1) UC = usual care; (2) E = education; (3) E + FE = education plus low cost/free safety equipment; (4) E + FE + HI = education plus low cost/free safety equipment plus home inspection; (5) E + FE + F = education plus low cost/free safety equipment plus fitting; (6) E + HI = education plus home inspection; (7) E + FE + F + HI = education plus low cost/free safety equipment plus fitting plus home inspection. Probability CE = probability that intervention is cost effective at a £30,000/£50,000 threshold value. QALYs = quality-adjusted life years.