Table 3 |
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|
Simulation values and the percentage of detected CD children (sensitivity) with approximately 2% false-positives (= 98% specificity) |
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|
(symptomatic) CD |
Simulation values* |
Sensitivity (95%-CI) |
100-Specificity (95%-CI) |
PPV |
||
|
|
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|
BMI extended delta rule |
e2 = 0 |
f1 = -1.5 |
g2 = -2.5 |
30 (20–40) |
1.9 (1.3–2.5) |
0.85% |
|
BMI delta rule |
e1 = 0.5 |
g1 = -1.5 |
27 (16–38) |
1.9 (1.3–2.5) |
0.76% |
|
|
Slowed growth for BMI rule |
e3 = 0 |
f2 = -2 |
g3 = -2.5 |
22 (11–33) |
1.8 (1.2–2.4) |
0.65% |
|
Conditional weight gain rule |
e4 = 0.5 |
f3 = -2.5 |
g4 = -0.5 to -1.5 |
21 (12–30) |
1.9 (1.3–2.5) |
0.58% |
|
|
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|
*Table 1 explains the interpretation of the simulation values |
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|
van Dommelen et al. BMC Pediatrics 2008 8:35 doi:10.1186/1471-2431-8-35 |
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