Comparison of OpenEpi confidence intervals for a
proportion to publications/other programs
|
Numerator/Denominator |
|
|||
|
81/263 |
15/148 |
0/20 |
1/29 |
|
Exact
(“Fisher’s”, “Clopper & Pearson”) Newc. Pepi QuickCalc OpenEpi |
. 2527, .3676 .25274, .36762 .2527, .3676 .2527330, .3676211 |
.0578, 0.1617 .05784, .16165 .0578, .1617 .0578421, .1616477 |
.0000, .1684 .00000, .16843 .0000, .1684 0, .1684303 |
.0009, .1776 .00087, .17764 .0009, .1776 .0008713, .1776433 |
|
Mid-p
Exact Newc. Pepi QuickCalc OpenEpi |
.2544, .3658 .25440, .36577 - - |
.0601, .1581 .06006, .15812 - - |
.0000, .1391 .00000, .13911 - - |
.0017, .1585 .00172, .15854 - - |
|
Wald
(“simple asymptotic without CC”, “normal approximation”) Newc. Pepi QuickCalc OpenEpi |
.2522, .3638 - - .2521891, .3637804 |
.0527, .1500 - - .0527291, .1499735 |
.0000, .0000 - - 0, 0 |
<.0000, .1009 - - 0, .1008934 |
|
Modified
Wald Newc. Pepi QuickCalc OpenEpi |
- - .2550, .3663 .2552197, .3662785 |
- - .0614, .1615 .0613853, .1614890 |
- - .0000, .1898 0, .1898152 |
- - .0000, .1863 0, .1862907 |
|
Score
(without CC, “ Newc. Pepi QuickCalc OpenEpi |
.2553, .3662 - - .2552876, .3662106 |
.0624, .1605 - - .0623858, .1604885 |
.0000, .1611 - - 0, .1611301 |
.0061, .1718 - - .0061130, .1717589 |
|
Score
with cc (“Fleiss Quadratic”) Newc. Pepi QuickCalc OpenEpi |
.2535, .3682 .2535, .3682 - .2535077, .3681773 |
.0598, .1644 .0598, .1644 - .0597776, .1644510 |
.0000, .2005 .0000, .2005 - 0, .2004581 |
.0018, .1963 .0018, .1963 - .0018025, .1962854 |
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Notes:
Newc.: from: Newcombe RG. Two-sided confidence intervals for the single proportion:
comparison of seven methods. Statistics in Medicine 17, 857-872, 1998.
Pepi: Abramson JH and Gahlinger PM (2001). Computer Programs for
Epidemiologists: PEPI Version 4.0. Sagebrush Press,
QuickCalc: website http://www.graphpad.com/quickcalcs/ConfInterval1.cfm,
used on