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Combination of terms with the best sensitivity (keeping specificity ≥50%), best specificity (keeping sensitivity ≥50%), and best optimization of sensitivity and specificity (based on abs[sensitivity-specificity]<1%) for detecting costs and economics studies in EMBASE in 2000. Values are percentages (95% CIs). |
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| Search term OVID search* |
Sensitivity (%) (Cost: n = 183; Economics: n = 31) |
Specificity (%) (Cost: n = 27586; Economics: n = 27738) |
Precision (%)† |
Accuracy (%) (n = 27769) |
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| Best Sensitivity – Costs exp economic aspect OR costs.tw. |
100.0 |
93.0 (92.68 to 93.29) |
8.6 (7.44 to 9.83) |
93.0 (92.73 to 93.33) |
| Best Sensitivity – Economics cost effectiveness analysis.sh. OR randomized.tw. OR economic.tw. |
100.0 |
92.3 (91.98 to 92.61) |
1.4 (0.93 to 1.93) |
92.3 (91.99 to 92.62) |
| Best Specificity – Costs cost effectiveness.tw. OR cost effective.tw. |
54.1 (46.88 to 61.32) |
99.5 (99.37 to 99.54) |
39.8 (33.68 to 45.84) |
99.2 (99.05 to 99.26) |
| Best Specificity – Economics cost effectiveness.tw. OR sensitivity analys:.tw. |
51.6 (34.02 to 69.21) |
99.4 (99.31 to 99.49) |
8.8 (4.68 to 12.91) |
99.4 (99.25 to 99.44) |
| Best Optimization of Sensitivity & Specificity – Costs cost.mp. OR costs.tw. OR health care cost.sh. |
98.4 (96.52 to 100.20) |
97.1 (96.87 to 97.27) |
18.2 (15.81 to 20.63) |
97.1 (96.88 to 97.28) |
| Best Optimization of Sensitivity & Specificity – Economics cost.tw. OR costs.tw. |
96.8 (90.55 to 102.99) |
97.6 (97.43 to 97.79) |
4.3 (2.82 to 5.85) |
97.6 (97.43 to 97.79) |
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*Search strategies are reported using Ovid's search engine syntax for EMBASE. †Denominator varies by row. exp = exploded subject heading; tw = textword (word or phrase appears in title or abstract); : = truncation; mp = multiple posting – term appears in title, abstract, or subject heading; sh = subject heading. | ||||
McKinlay et al. BMC Health Services Research 2006 6:67 doi:10.1186/1472-6963-6-67 |
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