Table 4 |
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|
Optimal choice of catheter under uncertainty, given different data scenarios |
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|
Scenario |
Optimal catheter choice |
Incremental outcomes with no uncertainty |
Average incremental monetary net benefits given uncertaintyb |
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|
|
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|
Catheter type |
Probability of error |
Costsa |
QALYsa |
Mean |
95% Confidence interval |
|
|
|
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|
Baseline |
MR |
0.62 |
- $130,289 |
1.64 |
948 |
-106 to 3,792 |
|
Low bed day ($335 ICU/$101 ward) |
MR |
0.76 |
+ $28,257 |
1.64 |
191 |
-348 to 1,317 |
|
High mortality (15%) |
MR |
0.46 |
- $106,223 |
26.65 |
2,441 |
116 to 8,516 |
|
No utility weights used |
MR |
0.62 |
- $130,289 |
2.33 |
1,042 |
-166 to 3,961 |
|
Increased length of stay (6.5 days ICU/6 days ward) |
MR |
0.56 |
- $282,038 |
1.64 |
1,239 |
-57 to 4,795 |
|
Low infection rate (0.8%) |
MR |
0.75 |
- $1,972 |
0.53 |
325 |
-71 to 1,283 |
|
High infection rate (5.0%) |
MR |
0.56 |
- $314,400 |
3.23 |
1,725 |
-139 to 6,455 |
|
|
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|
aRelative to uncoated catheters and per 1,000 catheters; bMonetary net benefits reported per catheter relative to uncoated catheters assuming a willingness-to-pay for a QALY of AUD $40,000. ICU, intensive care unit; QALY, quality-adjusted life year. |
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|
Halton et al. Critical Care 2009 13:R35 doi:10.1186/cc7744 |
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