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Scientific Concept of the National Cohort (status ... - Nationale Kohorte

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Table 6.7: Number <strong>of</strong> cases and controls required for nested case-control studies aiming to test for minimal sensitivity, at prefixed specificity, <strong>of</strong> a<br />

Table continuous 6.7: diagnostic Number <strong>of</strong> biomarker cases and or controls test* required for nested case-control studies aiming to test for minimal sensitivity, at prefixed<br />

specificity, <strong>of</strong> a continuous diagnostic biomarker or test*<br />

var(case biomarker)/var(control biomarker) = 1.0 var(case biomarker)/var(control biomarker) = 2.0<br />

Specificity (1-FPR) Specificity (1-FPR)<br />

0.995 (1-0.005) 0.98 (1-0.02) 0.95 (1-0.05) 0.995 (1-0.005) 0.98 (1-0.02) 0.95 (1-0.05)<br />

control to case ratio control to case ratio control to case ratio control to case ratio control to case ratio control to case ratio<br />

A.6 Planned statistical analyses and statistical power considerations<br />

TPR0 TPR1 2 4 10 2 4 10 2 4 10 2 4 10 2 4 10 2 4 10<br />

0.20 0.25 3435 1950 1058 1508 986 673 1022 743 576 1207 836 613 725 595 516 673 534 492<br />

0.30 1020 575 308 443 287 193 673 337 164 353 241 175 278 169 146 673 337 139<br />

0.35 512 287 153 278 142 95 673 337 135 175 119 85 278 139 71 673 337 135<br />

0.40 312 175 92 278 139 57 673 337 135 106 72 51 278 139 56 673 337 135<br />

189<br />

0.45 209 117 62 278 139 56 673 337 135 71 48 34 278 139 56 673 337 135<br />

0.50 148 83 44 278 139 56 673 337 135 71 36 24 278 139 56 673 337 135<br />

0.55 107 60 32 278 139 56 673 337 135 71 36 18 278 139 56 673 337 135<br />

0.60 78 44 23 278 139 56 673 337 135 71 36 15 278 139 56 673 337 135<br />

0.65 71 36 17 278 139 56 673 337 135 71 36 15 278 139 56 673 337 135<br />

0.70 71 36 15 278 139 56 673 337 135 71 36 15 278 139 56 673 337 135<br />

0.75 71 36 15 278 139 56 673 337 135 71 36 15 278 139 56 673 337 135<br />

A.6

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