Crude
(+) (-)
Exp(+) 90 200
Exp(-) 60 250
|
Crude OR= (90 / 60) / (200 / 250) = 1.87
|
|
_1
(+) (-)
Exp(+) 80 100
Exp(-) 40 50
|
OR_1 = (80 / 40) / (100 / 50) = 1 |
|
|
OR_2 = (10 / 20) / (100 / 200) = 1
|
OpenEpi จัดเรียงชื่อหัวข้อ
ให้ Exp(+), Exp(-)ไว้ด้านซ้าย
Dis(+), Dis(-) ไว้ด้านบน
Crude OR=1.87 95% CI (2.28, 2.73)
Mantel-Haenszel adjusted OR=1
Stratum1 = OR=1
Stratum2 = OR=1
dds-Based Estimates and Confidence Limits | |||||||
---|---|---|---|---|---|---|---|
|
|||||||
Point Estimates | Confidence Limits | ||||||
|
|||||||
Stratum | Type | Value | Lower, Upper | Type | |||
|
|||||||
1 | CMLE Odds Ratio* | 1 | 0.6002, 1.67¹ | Mid-P Exact | |||
0.5828, 1.721¹ | Fisher Exact | ||||||
Odds Ratio | 1 | 0.601, 1.664¹ | Taylor series | ||||
|
|||||||
2 | CMLE Odds Ratio* | 1 | 0.4337, 2.2¹ | Mid-P Exact | |||
0.402, 2.34¹ | Fisher Exact | ||||||
Odds Ratio | 1 | 0.4511, 2.217¹ | Taylor series | ||||
|
|||||||
Crude | CMLE Odds Ratio* | 1.873 | 1.287, 2.737¹ | Mid-P Exact | |||
1.267, 2.784¹ | Fisher Exact | ||||||
Odds Ratio | 1.875 | 1.288, 2.73¹ | Taylor series | ||||
Etiologic fraction in pop.(EFp|OR) | 28% | 12.69, 43.31 | |||||
Etiologic fraction in exposed(EFe|OR) | 46.67% | 22.33, 63.38 | |||||
|
|||||||
Adjusted | CMLE Odds Ratio* | 1 | 0.6494, 1.536¹ | Mid-P Exact | |||
0.6355, 1.569¹ | Fisher Exact | ||||||
Directly Adjusted OR | 1 | 0.6512, 1.536¹ | Taylor series | ||||
Mantel-Haenszel OR | 1 | 0.6512, 1.536¹ | Robins,Greenland,Breslow | ||||
Breslow-Day test for interaction of Odds Ratio over strata: | |||||||
chi square= | 0.0 | p= | 1 | ||||
p greater than 0.05 does not suggest interaction. Adjusted OR can be used. | |||||||
|
|||||||
*Conditional maximum likelihood estimate of Odds Ratio | |||||||
(P)indicates a one-tail P-value for Protective or negative association; otherwise one-tailed exact P-values are for a positive association. Martin,D; Austin,H (1991) An efficient program for computing conditional maximum likelihood estimates and exact confidence limits for a common odds ratio. Epidemiology 2, 359-362. |
|||||||
° ¹ 95% confidence limits testing exclusion of 0 or 1, as indicated | |||||||
P-values < 0.05 and confidence limits excluding null values (0,1, or [n]) are highlighted. | |||||||
LookFirst items: Editor's choice of items to examine first. | |||||||
ไม่มีความเห็น